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[PATCH 4.9 018/125] perf intel-pt: Move decoder error setting into one condition

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

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

From: Adrian Hunter <adrian.hunter@intel.com>

commit 22c06892332d8916115525145b78e606e9cc6492 upstream.

Move decoder error setting into one condition.

Cc'ed to stable because later fixes depend on it.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Link: http://lkml.kernel.org/r/1495786658-18063-2-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 tools/perf/util/intel-pt-decoder/intel-pt-decoder.c |   11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

--- a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
+++ b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
@@ -2128,15 +2128,18 @@ const struct intel_pt_state *intel_pt_de
 		}
 	} while (err == -ENOLINK);
 
-	decoder->state.err = err ? intel_pt_ext_err(err) : 0;
+	if (err) {
+		decoder->state.err = intel_pt_ext_err(err);
+		decoder->state.from_ip = decoder->ip;
+	} else {
+		decoder->state.err = 0;
+	}
+
 	decoder->state.timestamp = decoder->timestamp;
 	decoder->state.est_timestamp = intel_pt_est_timestamp(decoder);
 	decoder->state.cr3 = decoder->cr3;
 	decoder->state.tot_insn_cnt = decoder->tot_insn_cnt;
 
-	if (err)
-		decoder->state.from_ip = decoder->ip;
-
 	return &decoder->state;
 }
 

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[PATCH 4.9 000/125] 4.9.40-stable review Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:40 +0200
  [PATCH 4.9 068/125] ipmi: use rcu lock around call to intf->handlers->sender() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:40 +0200
  [PATCH 4.9 046/125] PCI: rockchip: Use normal register bank for config accessors Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:40 +0200
  [PATCH 4.9 042/125] powerpc/asm: Mark cr0 as clobbered in mftb() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:40 +0200
  [PATCH 4.9 035/125] scsi: Add STARGET_CREATED_REMOVE state to scsi_target_state Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:40 +0200
  [PATCH 4.9 044/125] af_key: Fix sadb_x_ipsecrequest parsing Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:40 +0200
  [PATCH 4.9 037/125] xen/scsiback: Fix a TMR related use-after-free Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:40 +0200
  [PATCH 4.9 053/125] usb: storage: return on error to avoid a null pointer dereference Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:40 +0200
  [PATCH 4.9 030/125] ASoC: compress: Derive substream from stream based on direction Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:40 +0200
  [PATCH 4.9 008/125] ath9k: fix tx99 bus error Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:40 +0200
  [PATCH 4.9 027/125] wlcore: fix 64K page support Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:40 +0200
  [PATCH 4.9 056/125] usb: renesas_usbhs: gadget: disable all eps when the driver stops Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:40 +0200
  [PATCH 4.9 047/125] PCI/PM: Restore the status of PCI devices across hibernation Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:40 +0200
  [PATCH 4.9 049/125] xhci: fix 20000ms port resume timeout Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:40 +0200
  [PATCH 4.9 028/125] btrfs: Dont clear SGID when inheriting ACLs Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:40 +0200
  [PATCH 4.9 033/125] PM / Domains: Fix unsafe iteration over modified list of domains Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:40 +0200
  [PATCH 4.9 052/125] [media] mxl111sf: Fix driver to use heap allocate buffers for USB messages Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:40 +0200
  [PATCH 4.9 009/125] ath9k: fix an invalid pointer dereference in ath9k_rng_stop() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:40 +0200
  [PATCH 4.9 041/125] powerpc: Fix emulation of mfocrf in emulate_step() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:40 +0200
  [PATCH 4.9 043/125] powerpc/mm/radix: Properly clear process table entry Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:40 +0200
  [PATCH 4.9 039/125] powerpc/64: Fix atomic64_inc_not_zero() to return an int Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:40 +0200
  [PATCH 4.9 034/125] scsi: ses: do not add a device to an enclosure if enclosure_add_links() fails. Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:40 +0200
  [PATCH 4.9 029/125] igb: Explicitly select page 0 at initialization Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:40 +0200
  [PATCH 4.9 032/125] PM / Domains: Fix unsafe iteration over modified list of domain providers Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:40 +0200
  [PATCH 4.9 036/125] iscsi-target: Add login_keys_workaround attribute for non RFC initiators Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:40 +0200
  [PATCH 4.9 054/125] USB: cdc-acm: add device-id for quirky printer Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:40 +0200
  [PATCH 4.9 071/125] f2fs: sanity check size of nat and sit cache Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:40 +0200
  [PATCH 4.9 050/125] xhci: Fix NULL pointer dereference when cleaning up streams for removed host Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:40 +0200
  [PATCH 4.9 069/125] ipmi:ssif: Add missing unlock in error branch Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:40 +0200
  [PATCH 4.9 026/125] Bluetooth: use constant time memory comparison for secret values Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:40 +0200
  [PATCH 4.9 031/125] PM / Domains: Fix unsafe iteration over modified list of device links Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:40 +0200
  [PATCH 4.9 040/125] powerpc: Fix emulation of mcrf in emulate_step() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:40 +0200
  [PATCH 4.9 023/125] perf intel-pt: Ensure never to set last_ip when packet count is zero Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:50 +0200
  [PATCH 4.9 003/125] dm mpath: cleanup -Wbool-operation warning in choose_pgpath() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:50 +0200
  [PATCH 4.9 017/125] NFC: Add sockaddr length checks before accessing sa_family in bind handlers Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:50 +0200
  [PATCH 4.9 018/125] perf intel-pt: Move decoder error setting into one condition Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:50 +0200
  [PATCH 4.9 005/125] thermal: max77620: fix device-node reference imbalance Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:50 +0200
  [PATCH 4.9 006/125] thermal: cpu_cooling: Avoid accessing potentially freed structures Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:50 +0200
  [PATCH 4.9 004/125] [media] s5p-jpeg: dont return a random width/height Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:50 +0200
  [PATCH 4.9 001/125] disable new gcc-7.1.1 warnings for now Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:50 +0200
  [PATCH 4.9 015/125] nfc: Ensure presence of required attributes in the activate_target handler Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:50 +0200
  [PATCH 4.9 020/125] perf intel-pt: Fix missing stack clear Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:50 +0200
  [PATCH 4.9 002/125] [media] ir-core: fix gcc-7 warning on bool arithmetic Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:50 +0200
  [PATCH 4.9 012/125] NFC: nfcmrvl: do not use device-managed resources Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:50 +0200
  [PATCH 4.9 007/125] ath9k: fix tx99 use after free Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:50 +0200
  [PATCH 4.9 021/125] perf intel-pt: Ensure IP is zero when state is INTEL_PT_STATE_NO_IP Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:50 +0200
  [PATCH 4.9 011/125] NFC: nfcmrvl_uart: add missing tty-device sanity check Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:50 +0200
  [PATCH 4.9 014/125] NFC: nfcmrvl: fix firmware-management initialisation Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:50 +0200
  [PATCH 4.9 016/125] nfc: Fix the sockaddr length sanitization in llcp_sock_connect Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:50 +0200
  [PATCH 4.9 019/125] perf intel-pt: Improve sample timestamp Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:50 +0200
  [PATCH 4.9 010/125] NFC: fix broken device allocation Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:50 +0200
  [PATCH 4.9 013/125] NFC: nfcmrvl: use nfc-device for firmware download Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-25 22:50 +0200
  Re: [PATCH 4.9 000/125] 4.9.40-stable review Guenter Roeck <linux@roeck-us.net> - 2017-07-26 05:00 +0200
  Re: [PATCH 4.9 000/125] 4.9.40-stable review Sumit Semwal <sumit.semwal@linaro.org> - 2017-07-26 16:20 +0200
    Re: [PATCH 4.9 000/125] 4.9.40-stable review Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-26 22:00 +0200
  Re: [PATCH 4.9 000/125] 4.9.40-stable review Shuah Khan <shuahkh@osg.samsung.com> - 2017-07-26 16:30 +0200

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