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[3.13.y-ckt stable] Linux 3.13.11-ckt22 stable review

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  [3.13.y-ckt stable] Linux 3.13.11-ckt22 stable review Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:30 +0200
    [PATCH 3.13.y-ckt 088/122] igb: Fix NULL assignment to incorrect variable in igb_reset_q_vector Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:40 +0200
    [PATCH 3.13.y-ckt 113/122] ipv6: do not delete previously existing ECMP routes if add fails Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:40 +0200
    [PATCH 3.13.y-ckt 082/122] firmware: dmi_scan: Fix ordering of product_uuid Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:40 +0200
    [PATCH 3.13.y-ckt 089/122] ARM: net: delegate filter to kernel interpreter when imm_offset() return value can't fit into 12bits. Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:40 +0200
    [PATCH 3.13.y-ckt 122/122] ipv4/udp: Verify multicast group is ours in upd_v4_early_demux() Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:40 +0200
    [PATCH 3.13.y-ckt 029/122] serial: of-serial: Remove device_type = "serial" registration Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:40 +0200
    [PATCH 3.13.y-ckt 092/122] ALSA: hda - Add headphone quirk for Lifebook E752 Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:40 +0200
    [PATCH 3.13.y-ckt 104/122] ALSA: hda - Add Conexant codecs CX20721, CX20722, CX20723 and CX20724 Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:40 +0200
    [PATCH 3.13.y-ckt 118/122] unix/caif: sk_socket can disappear when state is unlocked Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:40 +0200
    [PATCH 3.13.y-ckt 106/122] sd: Disable support for 256 byte/sector disks Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:40 +0200
    [PATCH 3.13.y-ckt 115/122] net: core: Correct an over-stringent device loop detection. Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:40 +0200
    [PATCH 3.13.y-ckt 101/122] ASoC: wm8994: correct BCLK DIV 348 to 384 Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:40 +0200
    [PATCH 3.13.y-ckt 107/122] libceph: request a new osdmap if lingering request maps to no osd Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:40 +0200
    [PATCH 3.13.y-ckt 051/122] mm/memory-failure: call shake_page() when error hits thp tail page Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:40 +0200
    [PATCH 3.13.y-ckt 108/122] crypto: s390/ghash - Fix incorrect ghash icv buffer handling. Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:40 +0200
    [PATCH 3.13.y-ckt 114/122] ipv6: fix ECMP route replacement Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:40 +0200
    [PATCH 3.13.y-ckt 110/122] net: phy: Allow EEE for all RGMII variants Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:40 +0200
    [PATCH 3.13.y-ckt 109/122] ipvs: fix memory leak in ip_vs_ctl.c Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:40 +0200
    [PATCH 3.13.y-ckt 100/122] ASoC: wm8960: fix "RINPUT3" audio route error Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:40 +0200
    [PATCH 3.13.y-ckt 087/122] spi: bitbang: Make setup_transfer() callback optional Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:40 +0200
    [PATCH 3.13.y-ckt 083/122] ext4: fix NULL pointer dereference when journal restart fails Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:40 +0200
    [PATCH 3.13.y-ckt 105/122] mmc: atmel-mci: fix bad variable type for clkdiv Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:40 +0200
    [PATCH 3.13.y-ckt 116/122] x86: bpf_jit: fix compilation of large bpf programs Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:40 +0200
    [PATCH 3.13.y-ckt 117/122] net: dp83640: fix broken calibration routine. Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:40 +0200
    [PATCH 3.13.y-ckt 120/122] udp: fix behavior of wrong checksums Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:40 +0200
    [PATCH 3.13.y-ckt 086/122] mm, numa: really disable NUMA balancing by default on single node machines Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:40 +0200
    [PATCH 3.13.y-ckt 102/122] Input: elantech - fix semi-mt protocol for v3 HW Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:40 +0200
    [PATCH 3.13.y-ckt 103/122] powerpc: Align TOC to 256 bytes Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:40 +0200
    [PATCH 3.13.y-ckt 119/122] net_sched: invoke ->attach() after setting dev->qdisc Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:40 +0200
    [PATCH 3.13.y-ckt 085/122] jbd2: fix r_count overflows leading to buffer overflow in journal recovery Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:40 +0200
    [PATCH 3.13.y-ckt 031/122] ALSA: emux: Fix mutex deadlock in OSS emulation Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:40 +0200
    [PATCH 3.13.y-ckt 077/122] xhci: gracefully handle xhci_irq dead device Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:40 +0200
    [PATCH 3.13.y-ckt 121/122] xen: netback: read hotplug script once at start of day. Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:40 +0200
    [PATCH 3.13.y-ckt 098/122] KVM: MMU: fix SMAP virtualization Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:40 +0200
    [PATCH 3.13.y-ckt 112/122] ipv4: Avoid crashing in ip_error Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:40 +0200
    [PATCH 3.13.y-ckt 025/122] 3w-xxxx: fix command completion race Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:40 +0200
    [PATCH 3.13.y-ckt 054/122] drm/radeon: make UVD handle checking more strict Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:40 +0200
    [PATCH 3.13.y-ckt 111/122] bridge: fix parsing of MLDv2 reports Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:40 +0200
    [PATCH 3.13.y-ckt 099/122] storvsc: Set the SRB flags correctly when no data transfer is needed Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:40 +0200
    [PATCH 3.13.y-ckt 060/122] xen-pciback: Add name prefix to global 'permissive' variable Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:50 +0200
    [PATCH 3.13.y-ckt 063/122] thermal: step_wise: Revert optimization Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:50 +0200
    [PATCH 3.13.y-ckt 097/122] KVM: MMU: fix CR4.SMEP=1, CR0.WP=0 with shadow pages Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:50 +0200
    [PATCH 3.13.y-ckt 061/122] mmc: card: Don't access RPMB partitions for normal read/write Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:50 +0200
    [PATCH 3.13.y-ckt 068/122] USB: cp210x: add ID for KCF Technologies PRN device Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:50 +0200
    [PATCH 3.13.y-ckt 059/122] mmc: sh_mmcif: Fix timeout value for command request Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:50 +0200
    [PATCH 3.13.y-ckt 066/122] usb: gadget: configfs: Fix interfaces array NULL-termination Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:50 +0200
    [PATCH 3.13.y-ckt 071/122] nfsd: fix the check for confirmed openowner in nfs4_preprocess_stateid_op Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:50 +0200
    [PATCH 3.13.y-ckt 055/122] drm/radeon: more strictly validate the UVD codec Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:50 +0200
    [PATCH 3.13.y-ckt 058/122] pinctrl: Don't just pretend to protect pinctrl_maps, do it for real Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:50 +0200
    [PATCH 3.13.y-ckt 080/122] drm/radeon: fix VM_CONTEXT*_PAGE_TABLE_END_ADDR handling Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:50 +0200
    [PATCH 3.13.y-ckt 093/122] ASoC: mc13783: Fix wrong mask value used in mc13xxx_reg_rmw() calls Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:50 +0200
    [PATCH 3.13.y-ckt 053/122] ocfs2: dlm: fix race between purge and get lock resource Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:50 +0200
    [PATCH 3.13.y-ckt 078/122] usb-storage: Add NO_WP_DETECT quirk for Lacie 059f:0651 devices Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:50 +0200
    [PATCH 3.13.y-ckt 070/122] USB: visor: Match I330 phone more precisely Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:50 +0200
    [PATCH 3.13.y-ckt 095/122] mac80211: move WEP tailroom size check Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:50 +0200
    [PATCH 3.13.y-ckt 081/122] drm/radeon: add new bonaire pci id Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:50 +0200
    [PATCH 3.13.y-ckt 079/122] ARM: net fix emit_udiv() for BPF_ALU | BPF_DIV | BPF_K intruction. Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:50 +0200
    [PATCH 3.13.y-ckt 096/122] KVM: MMU: fix smap permission check Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:50 +0200
    [PATCH 3.13.y-ckt 074/122] md/raid5: don't record new size if resize_stripes fails. Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:50 +0200
    [PATCH 3.13.y-ckt 075/122] xhci: fix isoc endpoint dequeue from advancing too far on transaction error Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:50 +0200
    [PATCH 3.13.y-ckt 064/122] libata: Add helper to determine when PHY events should be ignored Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:50 +0200
    [PATCH 3.13.y-ckt 062/122] mmc: core: add missing pm event in mmc_pm_notify to fix hib restore Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:50 +0200
    [PATCH 3.13.y-ckt 084/122] ext4: check for zero length extent explicitly Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:50 +0200
    [PATCH 3.13.y-ckt 056/122] path_openat(): fix double fput() Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:50 +0200
    [PATCH 3.13.y-ckt 065/122] libata: Ignore spurious PHY event on LPM policy change Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:50 +0200
    [PATCH 3.13.y-ckt 067/122] rtlwifi: rtl8192cu: Fix kernel deadlock Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:50 +0200
    [PATCH 3.13.y-ckt 090/122] Drivers: hv: vmbus: Add support for VMBus panic notifier handler Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:50 +0200
    [PATCH 3.13.y-ckt 073/122] ACPI / init: Fix the ordering of acpi_reserve_resources() Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:50 +0200
    [PATCH 3.13.y-ckt 091/122] Drivers: hv: vmbus: Correcting truncation error for constant HV_CRASH_CTL_CRASH_NOTIFY Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:50 +0200
    [PATCH 3.13.y-ckt 094/122] ASoC: uda1380: Avoid accessing i2c bus when codec is disabled Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:50 +0200
    [PATCH 3.13.y-ckt 052/122] nilfs2: fix sanity check of btree level in nilfs_btree_root_broken() Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:50 +0200
    [PATCH 3.13.y-ckt 072/122] svcrpc: fix potential GSSX_ACCEPT_SEC_CONTEXT decoding failures Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:50 +0200
    [PATCH 3.13.y-ckt 076/122] xhci: Solve full event ring by increasing TRBS_PER_SEGMENT to 256 Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:50 +0200
    [PATCH 3.13.y-ckt 069/122] USB: pl2303: Remove support for Samsung I330 Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:50 +0200
    [PATCH 3.13.y-ckt 057/122] mnt: Fix fs_fully_visible to verify the root directory is visible Kamal Mostafa <kamal@canonical.com> - 2015-06-18 00:50 +0200
    [PATCH 3.13.y-ckt 026/122] 3w-9xxx: fix command completion race Kamal Mostafa <kamal@canonical.com> - 2015-06-18 01:00 +0200
    [PATCH 3.13.y-ckt 034/122] powerpc/pseries: Correct cpu affinity for dlpar added cpus Kamal Mostafa <kamal@canonical.com> - 2015-06-18 01:00 +0200
    [PATCH 3.13.y-ckt 018/122] ASoC: dapm: Enable autodisable on SOC_DAPM_SINGLE_TLV_AUTODISABLE Kamal Mostafa <kamal@canonical.com> - 2015-06-18 01:00 +0200
    [PATCH 3.13.y-ckt 011/122] scripts/sortextable: suppress warning: `relocs_size' may be used uninitialized Kamal Mostafa <kamal@canonical.com> - 2015-06-18 01:00 +0200
    [PATCH 3.13.y-ckt 043/122] ARM: dts: imx28: Fix AUART4 TX-DMA interrupt name Kamal Mostafa <kamal@canonical.com> - 2015-06-18 01:00 +0200
    [PATCH 3.13.y-ckt 023/122] SCSI: add 1024 max sectors black list flag Kamal Mostafa <kamal@canonical.com> - 2015-06-18 01:00 +0200
    [PATCH 3.13.y-ckt 024/122] 3w-sas: fix command completion race Kamal Mostafa <kamal@canonical.com> - 2015-06-18 01:00 +0200
    [PATCH 3.13.y-ckt 017/122] ozwpan: unchecked signed subtraction leads to DoS Kamal Mostafa <kamal@canonical.com> - 2015-06-18 01:00 +0200
    [PATCH 3.13.y-ckt 040/122] ARM: dts: imx23-olinuxino: Fix polarity of LED GPIO Kamal Mostafa <kamal@canonical.com> - 2015-06-18 01:00 +0200
    [PATCH 3.13.y-ckt 020/122] ALSA: emu10k1: Fix card shortname string buffer overflow Kamal Mostafa <kamal@canonical.com> - 2015-06-18 01:00 +0200
    [PATCH 3.13.y-ckt 044/122] gpio: sysfs: fix memory leaks and device hotplug Kamal Mostafa <kamal@canonical.com> - 2015-06-18 01:00 +0200
    [PATCH 3.13.y-ckt 039/122] ARM: mvebu: armada-xp-openblocks-ax3-4: Disable internal RTC Kamal Mostafa <kamal@canonical.com> - 2015-06-18 01:00 +0200
    [PATCH 3.13.y-ckt 019/122] ALSA: hda - Fix mute-LED fixed mode Kamal Mostafa <kamal@canonical.com> - 2015-06-18 01:00 +0200
    [PATCH 3.13.y-ckt 042/122] ARM: dts: imx25: Add #pwm-cells to pwm4 Kamal Mostafa <kamal@canonical.com> - 2015-06-18 01:00 +0200
    [PATCH 3.13.y-ckt 036/122] efivarfs: Ensure VariableName is NUL-terminated Kamal Mostafa <kamal@canonical.com> - 2015-06-18 01:00 +0200
    [PATCH 3.13.y-ckt 041/122] ARM: dts: imx23-olinuxino: Fix dr_mode of usb0 Kamal Mostafa <kamal@canonical.com> - 2015-06-18 01:00 +0200
    [PATCH 3.13.y-ckt 030/122] tty/serial: at91: maxburst was missing for dma transfers Kamal Mostafa <kamal@canonical.com> - 2015-06-18 01:00 +0200
    [PATCH 3.13.y-ckt 050/122] xen/events: Set irq_info->evtchn before binding the channel to CPU in __startup_pirq() Kamal Mostafa <kamal@canonical.com> - 2015-06-18 01:00 +0200
    [PATCH 3.13.y-ckt 035/122] bridge/mdb: remove wrong use of NLM_F_MULTI Kamal Mostafa <kamal@canonical.com> - 2015-06-18 01:00 +0200
    [PATCH 3.13.y-ckt 038/122] writeback: use |1 instead of +1 to protect against div by zero Kamal Mostafa <kamal@canonical.com> - 2015-06-18 01:00 +0200
    [PATCH 3.13.y-ckt 016/122] ozwpan: Use proper check to prevent heap overflow Kamal Mostafa <kamal@canonical.com> - 2015-06-18 01:00 +0200
    [PATCH 3.13.y-ckt 046/122] RDMA/CMA: Canonize IPv4 on IPV6 sockets properly Kamal Mostafa <kamal@canonical.com> - 2015-06-18 01:00 +0200
    [PATCH 3.13.y-ckt 045/122] drm/radeon: disable semaphores for UVD V1 (v2) Kamal Mostafa <kamal@canonical.com> - 2015-06-18 01:00 +0200
    [PATCH 3.13.y-ckt 027/122] cdc-acm: prevent infinite loop when parsing CDC headers. Kamal Mostafa <kamal@canonical.com> - 2015-06-18 01:00 +0200
    [PATCH 3.13.y-ckt 028/122] serial: xilinx: Use platform_get_irq to get irq description structure Kamal Mostafa <kamal@canonical.com> - 2015-06-18 01:00 +0200
    [PATCH 3.13.y-ckt 048/122] drm/i915: Add missing MacBook Pro models with dual channel LVDS Kamal Mostafa <kamal@canonical.com> - 2015-06-18 01:00 +0200
    [PATCH 3.13.y-ckt 049/122] xen/console: Update console event channel on resume Kamal Mostafa <kamal@canonical.com> - 2015-06-18 01:00 +0200
    [PATCH 3.13.y-ckt 033/122] rbd: end I/O the entire obj_request on error Kamal Mostafa <kamal@canonical.com> - 2015-06-18 01:00 +0200
    [PATCH 3.13.y-ckt 032/122] ALSA: emu10k1: Emu10k2 32 bit DMA mode Kamal Mostafa <kamal@canonical.com> - 2015-06-18 01:00 +0200
    [PATCH 3.13.y-ckt 015/122] ozwpan: divide-by-zero leading to panic Kamal Mostafa <kamal@canonical.com> - 2015-06-18 01:00 +0200
    [PATCH 3.13.y-ckt 037/122] x86/efi: Store upper bits of command line buffer address in ext_cmd_line_ptr Kamal Mostafa <kamal@canonical.com> - 2015-06-18 01:00 +0200
    [PATCH 3.13.y-ckt 014/122] ozwpan: Use unsigned ints to prevent heap overflow Kamal Mostafa <kamal@canonical.com> - 2015-06-18 01:00 +0200
    [PATCH 3.13.y-ckt 047/122] drm/i915: Assume dual channel LVDS if pixel clock necessitates it Kamal Mostafa <kamal@canonical.com> - 2015-06-18 01:00 +0200
    [PATCH 3.13.y-ckt 022/122] drm/radeon: add SI DPM quirk for Sapphire R9 270 Dual-X 2G GDDR5 Kamal Mostafa <kamal@canonical.com> - 2015-06-18 01:00 +0200
    [PATCH 3.13.y-ckt 007/122] qla2xxx: remove redundant declaration in 'qla_gbl.h' Kamal Mostafa <kamal@canonical.com> - 2015-06-18 01:10 +0200
    [PATCH 3.13.y-ckt 002/122] vhost/scsi: potential memory corruption Kamal Mostafa <kamal@canonical.com> - 2015-06-18 01:10 +0200
    [PATCH 3.13.y-ckt 008/122] staging: wlags49_h2: fix extern inline functions Kamal Mostafa <kamal@canonical.com> - 2015-06-18 01:10 +0200
    [PATCH 3.13.y-ckt 012/122] udf: Remove repeated loads blocksize Kamal Mostafa <kamal@canonical.com> - 2015-06-18 01:10 +0200
    [PATCH 3.13.y-ckt 021/122] ALSA: emux: Fix mutex deadlock at unloading Kamal Mostafa <kamal@canonical.com> - 2015-06-18 01:10 +0200
    [PATCH 3.13.y-ckt 006/122] staging: rtl8712, rtl8712: avoid lots of build warnings Kamal Mostafa <kamal@canonical.com> - 2015-06-18 01:10 +0200
    [PATCH 3.13.y-ckt 010/122] kconfig: Fix warning "‘jump’ may be used uninitialized" Kamal Mostafa <kamal@canonical.com> - 2015-06-18 01:10 +0200
    [PATCH 3.13.y-ckt 001/122] Btrfs: make xattr replace operations atomic Kamal Mostafa <kamal@canonical.com> - 2015-06-18 01:10 +0200
    [PATCH 3.13.y-ckt 005/122] staging, rtl8192e, LLVMLinux: Remove unused inline prototype Kamal Mostafa <kamal@canonical.com> - 2015-06-18 01:10 +0200
    [PATCH 3.13.y-ckt 013/122] udf: Check length of extended attributes and allocation descriptors Kamal Mostafa <kamal@canonical.com> - 2015-06-18 01:10 +0200
    [PATCH 3.13.y-ckt 009/122] ARM: 8307/1: psci: move psci firmware calls out of line Kamal Mostafa <kamal@canonical.com> - 2015-06-18 01:10 +0200
    [PATCH 3.13.y-ckt 004/122] kernel: use the gnu89 standard explicitly Kamal Mostafa <kamal@canonical.com> - 2015-06-18 01:10 +0200

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#1167252 — [PATCH 3.13.y-ckt 060/122] xen-pciback: Add name prefix to global 'permissive' variable

3.13.11-ckt22 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Ben Hutchings <ben@decadent.org.uk>

commit 8014bcc86ef112eab9ee1db312dba4e6b608cf89 upstream.

The variable for the 'permissive' module parameter used to be static
but was recently changed to be extern.  This puts it in the kernel
global namespace if the driver is built-in, so its name should begin
with a prefix identifying the driver.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Fixes: af6fc858a35b ("xen-pciback: limit guest control of command register")
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 drivers/xen/xen-pciback/conf_space.c        | 6 +++---
 drivers/xen/xen-pciback/conf_space.h        | 2 +-
 drivers/xen/xen-pciback/conf_space_header.c | 2 +-
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/xen/xen-pciback/conf_space.c b/drivers/xen/xen-pciback/conf_space.c
index 75fe3d4..9c23420 100644
--- a/drivers/xen/xen-pciback/conf_space.c
+++ b/drivers/xen/xen-pciback/conf_space.c
@@ -16,8 +16,8 @@
 #include "conf_space.h"
 #include "conf_space_quirks.h"
 
-bool permissive;
-module_param(permissive, bool, 0644);
+bool xen_pcibk_permissive;
+module_param_named(permissive, xen_pcibk_permissive, bool, 0644);
 
 /* This is where xen_pcibk_read_config_byte, xen_pcibk_read_config_word,
  * xen_pcibk_write_config_word, and xen_pcibk_write_config_byte are created. */
@@ -262,7 +262,7 @@ int xen_pcibk_config_write(struct pci_dev *dev, int offset, int size, u32 value)
 		 * This means that some fields may still be read-only because
 		 * they have entries in the config_field list that intercept
 		 * the write and do nothing. */
-		if (dev_data->permissive || permissive) {
+		if (dev_data->permissive || xen_pcibk_permissive) {
 			switch (size) {
 			case 1:
 				err = pci_write_config_byte(dev, offset,
diff --git a/drivers/xen/xen-pciback/conf_space.h b/drivers/xen/xen-pciback/conf_space.h
index 2e1d73d..62461a8 100644
--- a/drivers/xen/xen-pciback/conf_space.h
+++ b/drivers/xen/xen-pciback/conf_space.h
@@ -64,7 +64,7 @@ struct config_field_entry {
 	void *data;
 };
 
-extern bool permissive;
+extern bool xen_pcibk_permissive;
 
 #define OFFSET(cfg_entry) ((cfg_entry)->base_offset+(cfg_entry)->field->offset)
 
diff --git a/drivers/xen/xen-pciback/conf_space_header.c b/drivers/xen/xen-pciback/conf_space_header.c
index 2d73693..f8baf46 100644
--- a/drivers/xen/xen-pciback/conf_space_header.c
+++ b/drivers/xen/xen-pciback/conf_space_header.c
@@ -105,7 +105,7 @@ static int command_write(struct pci_dev *dev, int offset, u16 value, void *data)
 
 	cmd->val = value;
 
-	if (!permissive && (!dev_data || !dev_data->permissive))
+	if (!xen_pcibk_permissive && (!dev_data || !dev_data->permissive))
 		return 0;
 
 	/* Only allow the guest to control certain bits. */
-- 
1.9.1

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#1167253 — [PATCH 3.13.y-ckt 063/122] thermal: step_wise: Revert optimization

3.13.11-ckt22 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Jean Delvare <jdelvare@suse.de>

Commit 178c2490b99f898efc06d1ad75cadc84f13021a6 ("thermal: step_wise:
cdev only needs update on a new target state") broke driver acerhdf.
That driver abused the step_wise thermal governor until the bang_bang
governor was available, and the optimization broke this usage model.

Kernels v3.12 to v3.18 are affected. In v3.19 the acerhdf driver was
switched to the bang_bang governor and that solved the problem.

For kernels v3.12 to v3.17, the bang_bang governor isn't available
yet so the easiest fix is to revert the optimization.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Reported-by: Dieter Jurzitza (https://bugzilla.opensuse.org/show_bug.cgi?id=925961)
Tested-by: Peter Feuerer <peter@piie.net>
Tested-by: Dieter Jurzitza
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 drivers/thermal/step_wise.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/thermal/step_wise.c b/drivers/thermal/step_wise.c
index d89e781..769bfa3 100644
--- a/drivers/thermal/step_wise.c
+++ b/drivers/thermal/step_wise.c
@@ -140,9 +140,6 @@ static void thermal_zone_trip_update(struct thermal_zone_device *tz, int trip)
 		old_target = instance->target;
 		instance->target = get_target_state(instance, trend, throttle);
 
-		if (old_target == instance->target)
-			continue;
-
 		/* Activate a passive thermal instance */
 		if (old_target == THERMAL_NO_TARGET &&
 			instance->target != THERMAL_NO_TARGET)
-- 
1.9.1

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#1167254 — [PATCH 3.13.y-ckt 097/122] KVM: MMU: fix CR4.SMEP=1, CR0.WP=0 with shadow pages

3.13.11-ckt22 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Paolo Bonzini <pbonzini@redhat.com>

commit 898761158be7682082955e3efa4ad24725305fc7 upstream.

smep_andnot_wp is initialized in kvm_init_shadow_mmu and shadow pages
should not be reused for different values of it.  Thus, it has to be
added to the mask in kvm_mmu_pte_write.

Reviewed-by: Xiao Guangrong <guangrong.xiao@linux.intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 arch/x86/kvm/mmu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 8b6eb3b..f13dbfd 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -4072,7 +4072,7 @@ void kvm_mmu_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa,
 	++vcpu->kvm->stat.mmu_pte_write;
 	kvm_mmu_audit(vcpu, AUDIT_PRE_PTE_WRITE);
 
-	mask.cr0_wp = mask.cr4_pae = mask.nxe = 1;
+	mask.cr0_wp = mask.cr4_pae = mask.nxe = mask.smep_andnot_wp = 1;
 	for_each_gfn_indirect_valid_sp(vcpu->kvm, sp, gfn) {
 		if (detect_write_misaligned(sp, gpa, bytes) ||
 		      detect_write_flooding(sp)) {
-- 
1.9.1

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#1167255 — [PATCH 3.13.y-ckt 061/122] mmc: card: Don't access RPMB partitions for normal read/write

3.13.11-ckt22 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Chuanxiao Dong <chuanxiao.dong@intel.com>

commit 4e93b9a6abc0d028daf3c8a00cb77b679d8a4df4 upstream.

During kernel boot, it will try to read some logical sectors
of each block device node for the possible partition table.

But since RPMB partition is special and can not be accessed
by normal eMMC read / write CMDs, it will cause below error
messages during kernel boot:
...
 mmc0: Got data interrupt 0x00000002 even though no data operation was in progress.
 mmcblk0rpmb: error -110 transferring data, sector 0, nr 32, cmd response 0x900, card status 0xb00
 mmcblk0rpmb: retrying using single block read
 mmcblk0rpmb: timed out sending r/w cmd command, card status 0x400900
 mmcblk0rpmb: timed out sending r/w cmd command, card status 0x400900
 mmcblk0rpmb: timed out sending r/w cmd command, card status 0x400900
 mmcblk0rpmb: timed out sending r/w cmd command, card status 0x400900
 mmcblk0rpmb: timed out sending r/w cmd command, card status 0x400900
 mmcblk0rpmb: timed out sending r/w cmd command, card status 0x400900
 end_request: I/O error, dev mmcblk0rpmb, sector 0
 Buffer I/O error on device mmcblk0rpmb, logical block 0
 end_request: I/O error, dev mmcblk0rpmb, sector 8
 Buffer I/O error on device mmcblk0rpmb, logical block 1
 end_request: I/O error, dev mmcblk0rpmb, sector 16
 Buffer I/O error on device mmcblk0rpmb, logical block 2
 end_request: I/O error, dev mmcblk0rpmb, sector 24
 Buffer I/O error on device mmcblk0rpmb, logical block 3
...

This patch will discard the access request in eMMC queue if
it is RPMB partition access request. By this way, it avoids
trigger above error messages.

Fixes: 090d25fe224c ("mmc: core: Expose access to RPMB partition")
Signed-off-by: Yunpeng Gao <yunpeng.gao@intel.com>
Signed-off-by: Chuanxiao Dong <chuanxiao.dong@intel.com>
Tested-by: Michael Shigorin <mike@altlinux.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 drivers/mmc/card/block.c | 12 ++++++++++++
 drivers/mmc/card/queue.c |  2 +-
 drivers/mmc/card/queue.h |  2 ++
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index 7b5424f..42e4c88 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -951,6 +951,18 @@ static inline void mmc_blk_reset_success(struct mmc_blk_data *md, int type)
 	md->reset_done &= ~type;
 }
 
+int mmc_access_rpmb(struct mmc_queue *mq)
+{
+	struct mmc_blk_data *md = mq->data;
+	/*
+	 * If this is a RPMB partition access, return ture
+	 */
+	if (md && md->part_type == EXT_CSD_PART_CONFIG_ACC_RPMB)
+		return true;
+
+	return false;
+}
+
 static int mmc_blk_issue_discard_rq(struct mmc_queue *mq, struct request *req)
 {
 	struct mmc_blk_data *md = mq->data;
diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c
index 3e049c1..6ceede0 100644
--- a/drivers/mmc/card/queue.c
+++ b/drivers/mmc/card/queue.c
@@ -38,7 +38,7 @@ static int mmc_prep_request(struct request_queue *q, struct request *req)
 		return BLKPREP_KILL;
 	}
 
-	if (mq && mmc_card_removed(mq->card))
+	if (mq && (mmc_card_removed(mq->card) || mmc_access_rpmb(mq)))
 		return BLKPREP_KILL;
 
 	req->cmd_flags |= REQ_DONTPREP;
diff --git a/drivers/mmc/card/queue.h b/drivers/mmc/card/queue.h
index 5752d50..99e6521 100644
--- a/drivers/mmc/card/queue.h
+++ b/drivers/mmc/card/queue.h
@@ -73,4 +73,6 @@ extern void mmc_queue_bounce_post(struct mmc_queue_req *);
 extern int mmc_packed_init(struct mmc_queue *, struct mmc_card *);
 extern void mmc_packed_clean(struct mmc_queue *);
 
+extern int mmc_access_rpmb(struct mmc_queue *);
+
 #endif
-- 
1.9.1

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#1167256 — [PATCH 3.13.y-ckt 068/122] USB: cp210x: add ID for KCF Technologies PRN device

3.13.11-ckt22 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Mark Edwards <sonofaforester@gmail.com>

commit c735ed74d83f8ecb45c4c4c95a16853c9c3c8157 upstream.

Added the USB serial console device ID for KCF Technologies PRN device
which has a USB port for its serial console.

Signed-off-by: Mark Edwards <sonofaforester@gmail.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 drivers/usb/serial/cp210x.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index 7dac66d..3d1ebe9 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -127,6 +127,7 @@ static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(0x10C4, 0x88A5) }, /* Planet Innovation Ingeni ZigBee USB Device */
 	{ USB_DEVICE(0x10C4, 0x8946) }, /* Ketra N1 Wireless Interface */
 	{ USB_DEVICE(0x10C4, 0x8977) },	/* CEL MeshWorks DevKit Device */
+	{ USB_DEVICE(0x10C4, 0x8998) }, /* KCF Technologies PRN */
 	{ USB_DEVICE(0x10C4, 0xEA60) }, /* Silicon Labs factory default */
 	{ USB_DEVICE(0x10C4, 0xEA61) }, /* Silicon Labs factory default */
 	{ USB_DEVICE(0x10C4, 0xEA70) }, /* Silicon Labs factory default */
-- 
1.9.1

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#1167257 — [PATCH 3.13.y-ckt 059/122] mmc: sh_mmcif: Fix timeout value for command request

3.13.11-ckt22 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Takeshi Kihara <takeshi.kihara.df@renesas.com>

commit bad4371d87d1d1ed1aecd9c9cc21c41ac3f289c8 upstream.

f9fd54f22e ("mmc: sh_mmcif: Use msecs_to_jiffies() for host->timeout")
changed the timeout value from 1000 jiffies to 1s. In the case where
HZ is 1000 the values are the same. However, for smaller HZ values the
timeout is now smaller, 1s instead of 10s in the case of HZ=100.

Since the timeout occurs in spite of a normal data transfer a timeout of
10s seems more appropriate. This restores the previous timeout in the
case where HZ=100 and results in an increase over the previous timeout
for larger values of HZ.

Fixes: f9fd54f22e ("mmc: sh_mmcif: Use msecs_to_jiffies() for host->timeout")
Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
[horms: rewrote changelog to refer to HZ]
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Yoshihiro Kaneko <ykaneko0929@gmail.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 drivers/mmc/host/sh_mmcif.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c
index d032b08..5cd9313 100644
--- a/drivers/mmc/host/sh_mmcif.c
+++ b/drivers/mmc/host/sh_mmcif.c
@@ -1399,7 +1399,7 @@ static int sh_mmcif_probe(struct platform_device *pdev)
 	host		= mmc_priv(mmc);
 	host->mmc	= mmc;
 	host->addr	= reg;
-	host->timeout	= msecs_to_jiffies(1000);
+	host->timeout	= msecs_to_jiffies(10000);
 	host->ccs_enable = !pd || !pd->ccs_unsupported;
 	host->clk_ctrl2_enable = pd && pd->clk_ctrl2_present;
 
-- 
1.9.1

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#1167258 — [PATCH 3.13.y-ckt 066/122] usb: gadget: configfs: Fix interfaces array NULL-termination

3.13.11-ckt22 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Krzysztof Opasiak <k.opasiak@samsung.com>

commit 903124fe1aa284f61745a9dd4fbfa0184e569fff upstream.

memset() to 0 interfaces array before reusing
usb_configuration structure.

This commit fix bug:

ln -s functions/acm.1 configs/c.1
ln -s functions/acm.2 configs/c.1
ln -s functions/acm.3 configs/c.1
echo "UDC name" > UDC
echo "" > UDC
rm configs/c.1/acm.*
rmdir functions/*
mkdir functions/ecm.usb0
ln -s functions/ecm.usb0 configs/c.1
echo "UDC name" > UDC

[   82.220969] Unable to handle kernel NULL pointer dereference at virtual address 00000000
[   82.229009] pgd = c0004000
[   82.231698] [00000000] *pgd=00000000
[   82.235260] Internal error: Oops: 17 [#1] PREEMPT SMP ARM
[   82.240638] Modules linked in:
[   82.243681] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.0.0-rc2 #39
[   82.249926] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree)
[   82.256003] task: c07cd2f0 ti: c07c8000 task.ti: c07c8000
[   82.261393] PC is at composite_setup+0xe3c/0x1674
[   82.266073] LR is at composite_setup+0xf20/0x1674
[   82.270760] pc : [<c03510d4>]    lr : [<c03511b8>]    psr: 600001d3
[   82.270760] sp : c07c9df0  ip : c0806448  fp : ed8c9c9c
[   82.282216] r10: 00000001  r9 : 00000000  r8 : edaae918
[   82.287425] r7 : ed551cc0  r6 : 00007fff  r5 : 00000000  r4 : ed799634
[   82.293934] r3 : 00000003  r2 : 00010002  r1 : edaae918  r0 : 0000002e
[   82.300446] Flags: nZCv  IRQs off  FIQs off  Mode SVC_32  ISA ARM  Segment kernel
[   82.307910] Control: 10c5387d  Table: 6bc1804a  DAC: 00000015
[   82.313638] Process swapper/0 (pid: 0, stack limit = 0xc07c8210)
[   82.319627] Stack: (0xc07c9df0 to 0xc07ca000)
[   82.323969] 9de0:                                     00000000 c06e65f4 00000000 c07c9f68
[   82.332130] 9e00: 00000067 c07c59ac 000003f7 edaae918 ed8c9c98 ed799690 eca2f140 200001d3
[   82.340289] 9e20: ee79a2d8 c07c9e88 c07c5304 ffff55db 00010002 edaae810 edaae860 eda96d50
[   82.348448] 9e40: 00000009 ee264510 00000007 c07ca444 edaae860 c0340890 c0827a40 ffff55e0
[   82.356607] 9e60: c0827a40 eda96e40 ee264510 edaae810 00000000 edaae860 00000007 c07ca444
[   82.364766] 9e80: edaae860 c0354170 c03407dc c033db4c edaae810 00000000 00000000 00000010
[   82.372925] 9ea0: 00000032 c0341670 00000000 00000000 00000001 eda96e00 00000000 00000000
[   82.381084] 9ec0: 00000000 00000032 c0803a23 ee1aa840 00000001 c005d54c 249e2450 00000000
[   82.389244] 9ee0: 200001d3 ee1aa840 ee1aa8a0 ed84f4c0 00000000 c07c9f68 00000067 c07c59ac
[   82.397403] 9f00: 00000000 c005d688 ee1aa840 ee1aa8a0 c07db4b4 c006009c 00000032 00000000
[   82.405562] 9f20: 00000001 c005ce20 c07c59ac c005cf34 f002000c c07ca780 c07c9f68 00000057
[   82.413722] 9f40: f0020000 413fc090 00000001 c00086b4 c000f804 60000053 ffffffff c07c9f9c
[   82.421880] 9f60: c0803a20 c0011fc0 00000000 00000000 c07c9fb8 c001bee0 c07ca4f0 c057004c
[   82.430040] 9f80: c07ca4fc c0803a20 c0803a20 413fc090 00000001 00000000 01000000 c07c9fb0
[   82.438199] 9fa0: c000f800 c000f804 60000053 ffffffff 00000000 c0050e70 c0803bc0 c0783bd8
[   82.446358] 9fc0: ffffffff ffffffff c0783664 00000000 00000000 c07b13e8 00000000 c0803e54
[   82.454517] 9fe0: c07ca480 c07b13e4 c07ce40c 4000406a 00000000 40008074 00000000 00000000
[   82.462689] [<c03510d4>] (composite_setup) from [<c0340890>] (s3c_hsotg_complete_setup+0xb4/0x418)
[   82.471626] [<c0340890>] (s3c_hsotg_complete_setup) from [<c0354170>] (usb_gadget_giveback_request+0xc/0x10)
[   82.481429] [<c0354170>] (usb_gadget_giveback_request) from [<c033db4c>] (s3c_hsotg_complete_request+0xcc/0x12c)
[   82.491583] [<c033db4c>] (s3c_hsotg_complete_request) from [<c0341670>] (s3c_hsotg_irq+0x4fc/0x558)
[   82.500614] [<c0341670>] (s3c_hsotg_irq) from [<c005d54c>] (handle_irq_event_percpu+0x50/0x150)
[   82.509291] [<c005d54c>] (handle_irq_event_percpu) from [<c005d688>] (handle_irq_event+0x3c/0x5c)
[   82.518145] [<c005d688>] (handle_irq_event) from [<c006009c>] (handle_fasteoi_irq+0xd4/0x18c)
[   82.526650] [<c006009c>] (handle_fasteoi_irq) from [<c005ce20>] (generic_handle_irq+0x20/0x30)
[   82.535242] [<c005ce20>] (generic_handle_irq) from [<c005cf34>] (__handle_domain_irq+0x6c/0xdc)
[   82.543923] [<c005cf34>] (__handle_domain_irq) from [<c00086b4>] (gic_handle_irq+0x2c/0x6c)
[   82.552256] [<c00086b4>] (gic_handle_irq) from [<c0011fc0>] (__irq_svc+0x40/0x74)
[   82.559716] Exception stack(0xc07c9f68 to 0xc07c9fb0)
[   82.564753] 9f60:                   00000000 00000000 c07c9fb8 c001bee0 c07ca4f0 c057004c
[   82.572913] 9f80: c07ca4fc c0803a20 c0803a20 413fc090 00000001 00000000 01000000 c07c9fb0
[   82.581069] 9fa0: c000f800 c000f804 60000053 ffffffff
[   82.586113] [<c0011fc0>] (__irq_svc) from [<c000f804>] (arch_cpu_idle+0x30/0x3c)
[   82.593491] [<c000f804>] (arch_cpu_idle) from [<c0050e70>] (cpu_startup_entry+0x128/0x1a4)
[   82.601740] [<c0050e70>] (cpu_startup_entry) from [<c0783bd8>] (start_kernel+0x350/0x3bc)
[   82.609890] Code: 0a000002 e3530005 05975010 15975008 (e5953000)
[   82.615965] ---[ end trace f57d5f599a5f1bfa ]---

Most of kernel code assume that interface array in
struct usb_configuration is NULL terminated.

When gadget is composed with configfs configuration
structure may be reused for different functions set.

This bug happens because purge_configs_funcs() sets
only next_interface_id to 0. Interface array still
contains pointers to already freed interfaces. If in
second try we add less interfaces than earlier we
may access unallocated memory when trying to get
interface descriptors.

Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 drivers/usb/gadget/configfs.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c
index 2588511..a856959 100644
--- a/drivers/usb/gadget/configfs.c
+++ b/drivers/usb/gadget/configfs.c
@@ -757,6 +757,7 @@ static void purge_configs_funcs(struct gadget_info *gi)
 			}
 		}
 		c->next_interface_id = 0;
+		memset(c->interface, 0, sizeof(c->interface));
 		c->superspeed = 0;
 		c->highspeed = 0;
 		c->fullspeed = 0;
-- 
1.9.1

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#1167259 — [PATCH 3.13.y-ckt 071/122] nfsd: fix the check for confirmed openowner in nfs4_preprocess_stateid_op

3.13.11-ckt22 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Christoph Hellwig <hch@lst.de>

commit ebe9cb3bb13e7b9b281969cd279ce70834f7500f upstream.

If we find a non-confirmed openowner we jump to exit the function, but do
not set an error value.  Fix this by factoring out a helper to do the
check and properly set the error from nfsd4_validate_stateid.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
[ kamal: backport to 3.13-stable ]
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 fs/nfsd/nfs4state.c | 21 ++++++++++++---------
 1 file changed, 12 insertions(+), 9 deletions(-)

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 2302d58..c52d3dd 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -3563,10 +3563,17 @@ static __be32 check_stateid_generation(stateid_t *in, stateid_t *ref, bool has_s
 	return nfserr_old_stateid;
 }
 
+static __be32 nfsd4_check_openowner_confirmed(struct nfs4_ol_stateid *ols)
+{
+	if (ols->st_stateowner->so_is_open_owner &&
+	    !(openowner(ols->st_stateowner)->oo_flags & NFS4_OO_CONFIRMED))
+		return nfserr_bad_stateid;
+	return nfs_ok;
+}
+
 static __be32 nfsd4_validate_stateid(struct nfs4_client *cl, stateid_t *stateid)
 {
 	struct nfs4_stid *s;
-	struct nfs4_ol_stateid *ols;
 	__be32 status;
 
 	if (ZERO_STATEID(stateid) || ONE_STATEID(stateid))
@@ -3593,12 +3600,8 @@ static __be32 nfsd4_validate_stateid(struct nfs4_client *cl, stateid_t *stateid)
 		return nfserr_deleg_revoked;
 	case NFS4_OPEN_STID:
 	case NFS4_LOCK_STID:
-		ols = openlockstateid(s);
-		if (ols->st_stateowner->so_is_open_owner
-	    			&& !(openowner(ols->st_stateowner)->oo_flags
-						& NFS4_OO_CONFIRMED))
-			return nfserr_bad_stateid;
-		return nfs_ok;
+		status = nfsd4_check_openowner_confirmed(openlockstateid(s));
+		return status;
 	default:
 		printk("unknown stateid type %x\n", s->sc_type);
 	case NFS4_CLOSED_STID:
@@ -3679,8 +3682,8 @@ nfs4_preprocess_stateid_op(struct net *net, struct nfsd4_compound_state *cstate,
 		status = nfs4_check_fh(current_fh, stp);
 		if (status)
 			goto out;
-		if (stp->st_stateowner->so_is_open_owner
-		    && !(openowner(stp->st_stateowner)->oo_flags & NFS4_OO_CONFIRMED))
+		status = nfsd4_check_openowner_confirmed(stp);
+		if (status)
 			goto out;
 		status = nfs4_check_openmode(stp, flags);
 		if (status)
-- 
1.9.1

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#1167260 — [PATCH 3.13.y-ckt 055/122] drm/radeon: more strictly validate the UVD codec

3.13.11-ckt22 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>

commit d52cdfa4a0c6406bbfb33206341eaf1fb1555994 upstream.

MPEG 2/4 are only supported since UVD3.

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 drivers/gpu/drm/radeon/radeon_uvd.c | 33 +++++++++++++++++++++++++++++++--
 1 file changed, 31 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c b/drivers/gpu/drm/radeon/radeon_uvd.c
index 6c5ea40..8a2ecbe4 100644
--- a/drivers/gpu/drm/radeon/radeon_uvd.c
+++ b/drivers/gpu/drm/radeon/radeon_uvd.c
@@ -350,6 +350,29 @@ static int radeon_uvd_cs_msg_decode(uint32_t *msg, unsigned buf_sizes[])
 	return 0;
 }
 
+static int radeon_uvd_validate_codec(struct radeon_cs_parser *p,
+				     unsigned stream_type)
+{
+	switch (stream_type) {
+	case 0: /* H264 */
+	case 1: /* VC1 */
+		/* always supported */
+		return 0;
+
+	case 3: /* MPEG2 */
+	case 4: /* MPEG4 */
+		/* only since UVD 3 */
+		if (p->rdev->family >= CHIP_PALM)
+			return 0;
+
+		/* fall through */
+	default:
+		DRM_ERROR("UVD codec not supported by hardware %d!\n",
+			  stream_type);
+		return -EINVAL;
+	}
+}
+
 static int radeon_uvd_cs_msg(struct radeon_cs_parser *p, struct radeon_bo *bo,
 			     unsigned offset, unsigned buf_sizes[])
 {
@@ -392,7 +415,11 @@ static int radeon_uvd_cs_msg(struct radeon_cs_parser *p, struct radeon_bo *bo,
 	case 0:
 		/* it's a create msg, calc image size (width * height) */
 		img_size = msg[7] * msg[8];
+
+		r = radeon_uvd_validate_codec(p, msg[4]);
 		radeon_bo_kunmap(bo);
+		if (r)
+			return r;
 
 		/* try to alloc a new handle */
 		for (i = 0; i < RADEON_MAX_UVD_HANDLES; ++i) {
@@ -412,8 +439,10 @@ static int radeon_uvd_cs_msg(struct radeon_cs_parser *p, struct radeon_bo *bo,
 		return -EINVAL;
 
 	case 1:
-		/* it's a decode msg, calc buffer sizes */
-		r = radeon_uvd_cs_msg_decode(msg, buf_sizes);
+		/* it's a decode msg, validate codec and calc buffer sizes */
+		r = radeon_uvd_validate_codec(p, msg[4]);
+		if (!r)
+			r = radeon_uvd_cs_msg_decode(msg, buf_sizes);
 		radeon_bo_kunmap(bo);
 		if (r)
 			return r;
-- 
1.9.1

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#1167261 — [PATCH 3.13.y-ckt 058/122] pinctrl: Don't just pretend to protect pinctrl_maps, do it for real

3.13.11-ckt22 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Doug Anderson <dianders@chromium.org>

commit c5272a28566b00cce79127ad382406e0a8650690 upstream.

Way back, when the world was a simpler place and there was no war, no
evil, and no kernel bugs, there was just a single pinctrl lock.  That
was how the world was when (57291ce pinctrl: core device tree mapping
table parsing support) was written.  In that case, there were
instances where the pinctrl mutex was already held when
pinctrl_register_map() was called, hence a "locked" parameter was
passed to the function to indicate that the mutex was already locked
(so we shouldn't lock it again).

A few years ago in (42fed7b pinctrl: move subsystem mutex to
pinctrl_dev struct), we switched to a separate pinctrl_maps_mutex.
...but (oops) we forgot to re-think about the whole "locked" parameter
for pinctrl_register_map().  Basically the "locked" parameter appears
to still refer to whether the bigger pinctrl_dev mutex is locked, but
we're using it to skip locks of our (now separate) pinctrl_maps_mutex.

That's kind of a bad thing(TM).  Probably nobody noticed because most
of the calls to pinctrl_register_map happen at boot time and we've got
synchronous device probing.  ...and even cases where we're
asynchronous don't end up actually hitting the race too often.  ...but
after banging my head against the wall for a bug that reproduced 1 out
of 1000 reboots and lots of looking through kgdb, I finally noticed
this.

Anyway, we can now safely remove the "locked" parameter and go back to
a war-free, evil-free, and kernel-bug-free world.

Fixes: 42fed7ba44e4 ("pinctrl: move subsystem mutex to pinctrl_dev struct")
Signed-off-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 drivers/pinctrl/core.c       | 10 ++++------
 drivers/pinctrl/core.h       |  2 +-
 drivers/pinctrl/devicetree.c |  2 +-
 3 files changed, 6 insertions(+), 8 deletions(-)

diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c
index cceb863..4435c9b 100644
--- a/drivers/pinctrl/core.c
+++ b/drivers/pinctrl/core.c
@@ -1121,7 +1121,7 @@ void devm_pinctrl_put(struct pinctrl *p)
 EXPORT_SYMBOL_GPL(devm_pinctrl_put);
 
 int pinctrl_register_map(struct pinctrl_map const *maps, unsigned num_maps,
-			 bool dup, bool locked)
+			 bool dup)
 {
 	int i, ret;
 	struct pinctrl_maps *maps_node;
@@ -1189,11 +1189,9 @@ int pinctrl_register_map(struct pinctrl_map const *maps, unsigned num_maps,
 		maps_node->maps = maps;
 	}
 
-	if (!locked)
-		mutex_lock(&pinctrl_maps_mutex);
+	mutex_lock(&pinctrl_maps_mutex);
 	list_add_tail(&maps_node->node, &pinctrl_maps);
-	if (!locked)
-		mutex_unlock(&pinctrl_maps_mutex);
+	mutex_unlock(&pinctrl_maps_mutex);
 
 	return 0;
 }
@@ -1208,7 +1206,7 @@ int pinctrl_register_map(struct pinctrl_map const *maps, unsigned num_maps,
 int pinctrl_register_mappings(struct pinctrl_map const *maps,
 			      unsigned num_maps)
 {
-	return pinctrl_register_map(maps, num_maps, true, false);
+	return pinctrl_register_map(maps, num_maps, true);
 }
 
 void pinctrl_unregister_map(struct pinctrl_map const *map)
diff --git a/drivers/pinctrl/core.h b/drivers/pinctrl/core.h
index 75476b3..b24ea84 100644
--- a/drivers/pinctrl/core.h
+++ b/drivers/pinctrl/core.h
@@ -183,7 +183,7 @@ static inline struct pin_desc *pin_desc_get(struct pinctrl_dev *pctldev,
 }
 
 int pinctrl_register_map(struct pinctrl_map const *maps, unsigned num_maps,
-			 bool dup, bool locked);
+			 bool dup);
 void pinctrl_unregister_map(struct pinctrl_map const *map);
 
 extern int pinctrl_force_sleep(struct pinctrl_dev *pctldev);
diff --git a/drivers/pinctrl/devicetree.c b/drivers/pinctrl/devicetree.c
index 340fb4e..fd91c4c 100644
--- a/drivers/pinctrl/devicetree.c
+++ b/drivers/pinctrl/devicetree.c
@@ -92,7 +92,7 @@ static int dt_remember_or_free_map(struct pinctrl *p, const char *statename,
 	dt_map->num_maps = num_maps;
 	list_add_tail(&dt_map->node, &p->dt_maps);
 
-	return pinctrl_register_map(map, num_maps, false, true);
+	return pinctrl_register_map(map, num_maps, false);
 }
 
 struct pinctrl_dev *of_pinctrl_get(struct device_node *np)
-- 
1.9.1

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#1167262 — [PATCH 3.13.y-ckt 080/122] drm/radeon: fix VM_CONTEXT*_PAGE_TABLE_END_ADDR handling

3.13.11-ckt22 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>

commit 607d48063512707a414e346972e2210dc71ab491 upstream.

The mapping range is inclusive between starting and ending addresses.

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 drivers/gpu/drm/radeon/cik.c       | 4 ++--
 drivers/gpu/drm/radeon/evergreen.c | 2 +-
 drivers/gpu/drm/radeon/ni.c        | 5 +++--
 drivers/gpu/drm/radeon/r600.c      | 2 +-
 drivers/gpu/drm/radeon/rv770.c     | 2 +-
 drivers/gpu/drm/radeon/si.c        | 4 ++--
 6 files changed, 10 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
index a26e06c..e2bc0fb 100644
--- a/drivers/gpu/drm/radeon/cik.c
+++ b/drivers/gpu/drm/radeon/cik.c
@@ -5116,7 +5116,7 @@ static int cik_pcie_gart_enable(struct radeon_device *rdev)
 	       L2_CACHE_BIGK_FRAGMENT_SIZE(6));
 	/* setup context0 */
 	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
-	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
+	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, (rdev->mc.gtt_end >> 12) - 1);
 	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
 	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
 			(u32)(rdev->dummy_page.addr >> 12));
@@ -5134,7 +5134,7 @@ static int cik_pcie_gart_enable(struct radeon_device *rdev)
 	 */
 	/* set vm size, must be a multiple of 4 */
 	WREG32(VM_CONTEXT1_PAGE_TABLE_START_ADDR, 0);
-	WREG32(VM_CONTEXT1_PAGE_TABLE_END_ADDR, rdev->vm_manager.max_pfn);
+	WREG32(VM_CONTEXT1_PAGE_TABLE_END_ADDR, rdev->vm_manager.max_pfn - 1);
 	for (i = 1; i < 16; i++) {
 		if (i < 8)
 			WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2),
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 6ea9a0f..4460501 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -2473,7 +2473,7 @@ static int evergreen_pcie_gart_enable(struct radeon_device *rdev)
 	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
 	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
 	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
-	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
+	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, (rdev->mc.gtt_end >> 12) - 1);
 	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
 	WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
 				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index 5cd96d5..b4e2f7b 100644
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -1236,7 +1236,7 @@ static int cayman_pcie_gart_enable(struct radeon_device *rdev)
 	       L2_CACHE_BIGK_FRAGMENT_SIZE(6));
 	/* setup context0 */
 	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
-	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
+	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, (rdev->mc.gtt_end >> 12) - 1);
 	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
 	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
 			(u32)(rdev->dummy_page.addr >> 12));
@@ -1255,7 +1255,8 @@ static int cayman_pcie_gart_enable(struct radeon_device *rdev)
 	 */
 	for (i = 1; i < 8; i++) {
 		WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR + (i << 2), 0);
-		WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (i << 2), rdev->vm_manager.max_pfn);
+		WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (i << 2),
+			rdev->vm_manager.max_pfn - 1);
 		WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2),
 			rdev->gart.table_addr >> 12);
 	}
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 2f1c120..51c9980 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -995,7 +995,7 @@ static int r600_pcie_gart_enable(struct radeon_device *rdev)
 	WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
 	WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
 	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
-	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
+	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, (rdev->mc.gtt_end >> 12) - 1);
 	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
 	WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
 				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index c4960ad..8cc9470 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -916,7 +916,7 @@ static int rv770_pcie_gart_enable(struct radeon_device *rdev)
 	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
 	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
 	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
-	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
+	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, (rdev->mc.gtt_end >> 12) - 1);
 	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
 	WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
 				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index e19fdb6..f8abfc0 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -3956,7 +3956,7 @@ static int si_pcie_gart_enable(struct radeon_device *rdev)
 	       L2_CACHE_BIGK_FRAGMENT_SIZE(0));
 	/* setup context0 */
 	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
-	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
+	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, (rdev->mc.gtt_end >> 12) - 1);
 	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
 	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
 			(u32)(rdev->dummy_page.addr >> 12));
@@ -3971,7 +3971,7 @@ static int si_pcie_gart_enable(struct radeon_device *rdev)
 	/* empty context1-15 */
 	/* set vm size, must be a multiple of 4 */
 	WREG32(VM_CONTEXT1_PAGE_TABLE_START_ADDR, 0);
-	WREG32(VM_CONTEXT1_PAGE_TABLE_END_ADDR, rdev->vm_manager.max_pfn);
+	WREG32(VM_CONTEXT1_PAGE_TABLE_END_ADDR, rdev->vm_manager.max_pfn - 1);
 	/* Assign the pt base to something valid for now; the pts used for
 	 * the VMs are determined by the application and setup and assigned
 	 * on the fly in the vm part of radeon_gart.c
-- 
1.9.1

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#1167263 — [PATCH 3.13.y-ckt 093/122] ASoC: mc13783: Fix wrong mask value used in mc13xxx_reg_rmw() calls

3.13.11-ckt22 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Axel Lin <axel.lin@ingics.com>

commit 545774bd6e1427d98dde77244329d2311c5eca6f upstream.

mc13xxx_reg_rmw() won't change any bit if passing 0 to the mask field.
Pass AUDIO_SSI_SEL instead of 0 for the mask field to set AUDIO_SSI_SEL
bit.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 sound/soc/codecs/mc13783.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/soc/codecs/mc13783.c b/sound/soc/codecs/mc13783.c
index bae6016..2d0b107 100644
--- a/sound/soc/codecs/mc13783.c
+++ b/sound/soc/codecs/mc13783.c
@@ -634,14 +634,14 @@ static int mc13783_probe(struct snd_soc_codec *codec)
 				AUDIO_SSI_SEL, 0);
 	else
 		mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_CODEC,
-				0, AUDIO_SSI_SEL);
+				AUDIO_SSI_SEL, AUDIO_SSI_SEL);
 
 	if (priv->dac_ssi_port == MC13783_SSI1_PORT)
 		mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_DAC,
 				AUDIO_SSI_SEL, 0);
 	else
 		mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_DAC,
-				0, AUDIO_SSI_SEL);
+				AUDIO_SSI_SEL, AUDIO_SSI_SEL);
 
 	return 0;
 }
-- 
1.9.1

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#1167264 — [PATCH 3.13.y-ckt 053/122] ocfs2: dlm: fix race between purge and get lock resource

3.13.11-ckt22 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Junxiao Bi <junxiao.bi@oracle.com>

commit b1432a2a35565f538586774a03bf277c27fc267d upstream.

There is a race window in dlm_get_lock_resource(), which may return a
lock resource which has been purged.  This will cause the process to
hang forever in dlmlock() as the ast msg can't be handled due to its
lock resource not existing.

    dlm_get_lock_resource {
        ...
        spin_lock(&dlm->spinlock);
        tmpres = __dlm_lookup_lockres_full(dlm, lockid, namelen, hash);
        if (tmpres) {
             spin_unlock(&dlm->spinlock);
             >>>>>>>> race window, dlm_run_purge_list() may run and purge
                              the lock resource
             spin_lock(&tmpres->spinlock);
             ...
             spin_unlock(&tmpres->spinlock);
        }
    }

Signed-off-by: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Joseph Qi <joseph.qi@huawei.com>
Cc: Mark Fasheh <mfasheh@suse.com>
Cc: Joel Becker <jlbec@evilplan.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 fs/ocfs2/dlm/dlmmaster.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c
index 1be3398..1dd0bcc 100644
--- a/fs/ocfs2/dlm/dlmmaster.c
+++ b/fs/ocfs2/dlm/dlmmaster.c
@@ -726,6 +726,19 @@ lookup:
 	if (tmpres) {
 		spin_unlock(&dlm->spinlock);
 		spin_lock(&tmpres->spinlock);
+
+		/*
+		 * Right after dlm spinlock was released, dlm_thread could have
+		 * purged the lockres. Check if lockres got unhashed. If so
+		 * start over.
+		 */
+		if (hlist_unhashed(&tmpres->hash_node)) {
+			spin_unlock(&tmpres->spinlock);
+			dlm_lockres_put(tmpres);
+			tmpres = NULL;
+			goto lookup;
+		}
+
 		/* Wait on the thread that is mastering the resource */
 		if (tmpres->owner == DLM_LOCK_RES_OWNER_UNKNOWN) {
 			__dlm_wait_on_lockres(tmpres);
-- 
1.9.1

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#1167265 — [PATCH 3.13.y-ckt 078/122] usb-storage: Add NO_WP_DETECT quirk for Lacie 059f:0651 devices

3.13.11-ckt22 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Hans de Goede <hdegoede@redhat.com>

commit 172115090f5e739660b97694618a2ba86457063a upstream.

Without this flag some versions of these enclosures do not work.

Reported-and-tested-by: Christian Schaller <cschalle@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 drivers/usb/storage/unusual_devs.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index 4b02da3..3e5fa2e 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -760,6 +760,13 @@ UNUSUAL_DEV(  0x059f, 0x0643, 0x0000, 0x0000,
 		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
 		US_FL_GO_SLOW ),
 
+/* Reported by Christian Schaller <cschalle@redhat.com> */
+UNUSUAL_DEV(  0x059f, 0x0651, 0x0000, 0x0000,
+		"LaCie",
+		"External HDD",
+		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+		US_FL_NO_WP_DETECT ),
+
 /* Submitted by Joel Bourquard <numlock@freesurf.ch>
  * Some versions of this device need the SubClass and Protocol overrides
  * while others don't.
-- 
1.9.1

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#1167266 — [PATCH 3.13.y-ckt 070/122] USB: visor: Match I330 phone more precisely

3.13.11-ckt22 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: "Jason A. Donenfeld" <Jason@zx2c4.com>

commit 82ee3aeb9295c5fc37fd2ddf20f13ac2b40ec97d upstream.

Samsung has just released a portable USB3 SSD, coming in a very small
and nice form factor. It's USB ID is 04e8:8001, which unfortunately is
already used by the Palm Visor driver for the Samsung I330 phone cradle.
Having pl2303 or visor pick up this device ID results in conflicts with
the usb-storage driver, which handles the newly released portable USB3
SSD.

To work around this conflict, I've dug up a mailing list post [1] from a
long time ago, in which a user posts the full USB descriptor
information. The most specific value in this appears to be the interface
class, which has value 255 (0xff). Since usb-storage requires an
interface class of 0x8, I believe it's correct to disambiguate the two
devices by matching on 0xff inside visor.

[1] http://permalink.gmane.org/gmane.linux.usb.user/4264

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 drivers/usb/serial/visor.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/serial/visor.c b/drivers/usb/serial/visor.c
index 9910aa2..727905d 100644
--- a/drivers/usb/serial/visor.c
+++ b/drivers/usb/serial/visor.c
@@ -96,7 +96,7 @@ static struct usb_device_id id_table [] = {
 		.driver_info = (kernel_ulong_t)&palm_os_4_probe },
 	{ USB_DEVICE(ACER_VENDOR_ID, ACER_S10_ID),
 		.driver_info = (kernel_ulong_t)&palm_os_4_probe },
-	{ USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUNG_SCH_I330_ID),
+	{ USB_DEVICE_INTERFACE_CLASS(SAMSUNG_VENDOR_ID, SAMSUNG_SCH_I330_ID, 0xff),
 		.driver_info = (kernel_ulong_t)&palm_os_4_probe },
 	{ USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUNG_SPH_I500_ID),
 		.driver_info = (kernel_ulong_t)&palm_os_4_probe },
-- 
1.9.1

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#1167267 — [PATCH 3.13.y-ckt 095/122] mac80211: move WEP tailroom size check

3.13.11-ckt22 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Janusz Dziedzic <janusz.dziedzic@tieto.com>

commit 47b4e1fc4972cc43a19121bc2608a60aef3bf216 upstream.

Remove checking tailroom when adding IV as it uses only
headroom, and move the check to the ICV generation that
actually needs the tailroom.

In other case I hit such warning and datapath don't work,
when testing:
- IBSS + WEP
- ath9k with hw crypt enabled
- IPv6 data (ping6)

WARNING: CPU: 3 PID: 13301 at net/mac80211/wep.c:102 ieee80211_wep_add_iv+0x129/0x190 [mac80211]()
[...]
Call Trace:
[<ffffffff817bf491>] dump_stack+0x45/0x57
[<ffffffff8107746a>] warn_slowpath_common+0x8a/0xc0
[<ffffffff8107755a>] warn_slowpath_null+0x1a/0x20
[<ffffffffc09ae109>] ieee80211_wep_add_iv+0x129/0x190 [mac80211]
[<ffffffffc09ae7ab>] ieee80211_crypto_wep_encrypt+0x6b/0xd0 [mac80211]
[<ffffffffc09d3fb1>] invoke_tx_handlers+0xc51/0xf30 [mac80211]
[...]

Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 net/mac80211/wep.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/net/mac80211/wep.c b/net/mac80211/wep.c
index 6ee2b58..f21b142 100644
--- a/net/mac80211/wep.c
+++ b/net/mac80211/wep.c
@@ -98,8 +98,7 @@ static u8 *ieee80211_wep_add_iv(struct ieee80211_local *local,
 
 	hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_PROTECTED);
 
-	if (WARN_ON(skb_tailroom(skb) < IEEE80211_WEP_ICV_LEN ||
-		    skb_headroom(skb) < IEEE80211_WEP_IV_LEN))
+	if (WARN_ON(skb_headroom(skb) < IEEE80211_WEP_IV_LEN))
 		return NULL;
 
 	hdrlen = ieee80211_hdrlen(hdr->frame_control);
@@ -169,6 +168,9 @@ int ieee80211_wep_encrypt(struct ieee80211_local *local,
 	size_t len;
 	u8 rc4key[3 + WLAN_KEY_LEN_WEP104];
 
+	if (WARN_ON(skb_tailroom(skb) < IEEE80211_WEP_ICV_LEN))
+		return -1;
+
 	iv = ieee80211_wep_add_iv(local, skb, keylen, keyidx);
 	if (!iv)
 		return -1;
-- 
1.9.1

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#1167268 — [PATCH 3.13.y-ckt 081/122] drm/radeon: add new bonaire pci id

3.13.11-ckt22 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Alex Deucher <alexander.deucher@amd.com>

commit fcf3b54282e4c5a95a1f45f67558bc105acdbc6a upstream.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 include/drm/drm_pciids.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h
index ca52de5..bb5367d 100644
--- a/include/drm/drm_pciids.h
+++ b/include/drm/drm_pciids.h
@@ -186,6 +186,7 @@
 	{0x1002, 0x6658, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x665c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x665d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x665f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x6660, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAINAN|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x6663, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAINAN|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x6664, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAINAN|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
-- 
1.9.1

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#1167269 — [PATCH 3.13.y-ckt 079/122] ARM: net fix emit_udiv() for BPF_ALU | BPF_DIV | BPF_K intruction.

3.13.11-ckt22 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Nicolas Schichan <nschichan@freebox.fr>

commit 19fc99d0c6ba7d9b65456496b5bb2169d5f74cd0 upstream.

In that case, emit_udiv() will be called with rn == ARM_R0 (r_scratch)
and loading rm first into ARM_R0 will result in jit_udiv() function
being called the same dividend and divisor. Fix that by loading rn
first into ARM_R1 and then rm into ARM_R0.

Signed-off-by: Nicolas Schichan <nschichan@freebox.fr>
Fixes: aee636c4809f (bpf: do not use reciprocal divide)
Acked-by: Mircea Gherzan <mgherzan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 arch/arm/net/bpf_jit_32.c | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/arch/arm/net/bpf_jit_32.c b/arch/arm/net/bpf_jit_32.c
index 271b5e9..6adf591 100644
--- a/arch/arm/net/bpf_jit_32.c
+++ b/arch/arm/net/bpf_jit_32.c
@@ -449,10 +449,21 @@ static inline void emit_udiv(u8 rd, u8 rm, u8 rn, struct jit_ctx *ctx)
 		return;
 	}
 #endif
-	if (rm != ARM_R0)
-		emit(ARM_MOV_R(ARM_R0, rm), ctx);
+
+	/*
+	 * For BPF_ALU | BPF_DIV | BPF_K instructions, rm is ARM_R4
+	 * (r_A) and rn is ARM_R0 (r_scratch) so load rn first into
+	 * ARM_R1 to avoid accidentally overwriting ARM_R0 with rm
+	 * before using it as a source for ARM_R1.
+	 *
+	 * For BPF_ALU | BPF_DIV | BPF_X rm is ARM_R4 (r_A) and rn is
+	 * ARM_R5 (r_X) so there is no particular register overlap
+	 * issues.
+	 */
 	if (rn != ARM_R1)
 		emit(ARM_MOV_R(ARM_R1, rn), ctx);
+	if (rm != ARM_R0)
+		emit(ARM_MOV_R(ARM_R0, rm), ctx);
 
 	ctx->seen |= SEEN_CALL;
 	emit_mov_i(ARM_R3, (u32)jit_udiv, ctx);
-- 
1.9.1

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#1167270 — [PATCH 3.13.y-ckt 096/122] KVM: MMU: fix smap permission check

3.13.11-ckt22 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Xiao Guangrong <guangrong.xiao@linux.intel.com>

commit 7cbeed9bce7580479bb97457dad220cb3594b875 upstream.

Current permission check assumes that RSVD bit in PFEC is always zero,
however, it is not true since MMIO #PF will use it to quickly identify
MMIO access

Fix it by clearing the bit if walking guest page table is needed

Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
[ kamal: backport to 3.13-stable: context ]
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 arch/x86/kvm/mmu.h         | 2 ++
 arch/x86/kvm/paging_tmpl.h | 7 +++++++
 2 files changed, 9 insertions(+)

diff --git a/arch/x86/kvm/mmu.h b/arch/x86/kvm/mmu.h
index 2926152..9b4f12a 100644
--- a/arch/x86/kvm/mmu.h
+++ b/arch/x86/kvm/mmu.h
@@ -113,6 +113,8 @@ static inline bool is_write_protection(struct kvm_vcpu *vcpu)
 static inline bool permission_fault(struct kvm_mmu *mmu, unsigned pte_access,
 				    unsigned pfec)
 {
+	WARN_ON(pfec & PFERR_RSVD_MASK);
+
 	return (mmu->permissions[pfec >> 1] >> pte_access) & 1;
 }
 
diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
index cba218a..90c4570 100644
--- a/arch/x86/kvm/paging_tmpl.h
+++ b/arch/x86/kvm/paging_tmpl.h
@@ -706,6 +706,13 @@ static int FNAME(page_fault)(struct kvm_vcpu *vcpu, gva_t addr, u32 error_code,
 					      mmu_is_nested(vcpu));
 		if (likely(r != RET_MMIO_PF_INVALID))
 			return r;
+
+		/*
+		 * page fault with PFEC.RSVD  = 1 is caused by shadow
+		 * page fault, should not be used to walk guest page
+		 * table.
+		 */
+		error_code &= ~PFERR_RSVD_MASK;
 	};
 
 	r = mmu_topup_memory_caches(vcpu);
-- 
1.9.1

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#1167271 — [PATCH 3.13.y-ckt 074/122] md/raid5: don't record new size if resize_stripes fails.

3.13.11-ckt22 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: NeilBrown <neilb@suse.de>

commit 6e9eac2dcee5e19f125967dd2be3e36558c42fff upstream.

If any memory allocation in resize_stripes fails we will return
-ENOMEM, but in some cases we update conf->pool_size anyway.

This means that if we try again, the allocations will be assumed
to be larger than they are, and badness results.

So only update pool_size if there is no error.

This bug was introduced in 2.6.17 and the patch is suitable for
-stable.

Fixes: ad01c9e3752f ("[PATCH] md: Allow stripes to be expanded in preparation for expanding an array")
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 drivers/md/raid5.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index dcdc327..027f564 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -1917,7 +1917,8 @@ static int resize_stripes(struct r5conf *conf, int newsize)
 
 	conf->slab_cache = sc;
 	conf->active_name = 1-conf->active_name;
-	conf->pool_size = newsize;
+	if (!err)
+		conf->pool_size = newsize;
 	return err;
 }
 
-- 
1.9.1

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