RE: [PATCH 21/29] drivers, s390: convert fc_fcp_pkt.ref_cnt from atomic_t to refcount_t

From	"Reshetova, Elena" <elena.reshetova@intel.com>
Newsgroups	linux.kernel
Subject	RE: [PATCH 21/29] drivers, s390: convert fc_fcp_pkt.ref_cnt from atomic_t to refcount_t
Date	2017-03-07 12:20 +0100
Message-ID	<tiljP-6LS-11@gated-at.bofh.it> (permalink)
References	<ti1O9-Yn-3@gated-at.bofh.it> <ti1XQ-146-23@gated-at.bofh.it> <ti2Ke-1BJ-9@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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> On 03/06/2017 03:21 PM, Elena Reshetova wrote:
> > refcount_t type and corresponding API should be
> > used instead of atomic_t when the variable is used as
> > a reference counter. This allows to avoid accidental
> > refcounter overflows that might lead to use-after-free
> > situations.
> 
> The subject is wrong, should be something like "scsi: libfc convert
> fc_fcp_pkt.ref_cnt from atomic_t to refcount_t" but not s390.

Very sorry about this: the error in the subject got from the time when I was trying to break the bigger drivers patch set into per-variable part and trying to automate the process too much :(
I will fix it in the end version!

Best Regards,
Elena

> 
> Other than that
> Acked-by: Johannes Thumshirn <jth@kernel.org>
> 
> --
> Johannes Thumshirn                                          Storage
> jthumshirn@suse.de                                +49 911 74053 689
> SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
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Thread

[PATCH 00/29] drivers, mics refcount conversions Elena Reshetova <elena.reshetova@intel.com> - 2017-03-06 15:30 +0100
  [PATCH 08/29] drivers, md: convert mddev.active from atomic_t to refcount_t Elena Reshetova <elena.reshetova@intel.com> - 2017-03-06 15:30 +0100
    Re: [PATCH 08/29] drivers, md: convert mddev.active from atomic_t to  refcount_t Shaohua Li <shli@kernel.org> - 2017-03-07 20:20 +0100
      RE: [PATCH 08/29] drivers, md: convert mddev.active from atomic_t  to refcount_t "Reshetova, Elena" <elena.reshetova@intel.com> - 2017-03-08 10:50 +0100
        Re: [PATCH 08/29] drivers, md: convert mddev.active from atomic_t to  refcount_t "gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org> - 2017-03-08 11:30 +0100
  [PATCH 10/29] drivers, md: convert stripe_head.count from atomic_t to refcount_t Elena Reshetova <elena.reshetova@intel.com> - 2017-03-06 15:30 +0100
    Re: [PATCH 10/29] drivers, md: convert stripe_head.count from  atomic_t to refcount_t Shaohua Li <shli@kernel.org> - 2017-03-07 20:20 +0100
      RE: [PATCH 10/29] drivers, md: convert stripe_head.count from  atomic_t to refcount_t "Reshetova, Elena" <elena.reshetova@intel.com> - 2017-03-08 10:50 +0100
  [PATCH 26/29] drivers, usb: convert dev_data.count from atomic_t to refcount_t Elena Reshetova <elena.reshetova@intel.com> - 2017-03-06 15:30 +0100
  [PATCH 06/29] drivers, md: convert dm_cache_metadata.ref_count from atomic_t to refcount_t Elena Reshetova <elena.reshetova@intel.com> - 2017-03-06 15:30 +0100
  [PATCH 24/29] drivers: convert iblock_req.pending from atomic_t to refcount_t Elena Reshetova <elena.reshetova@intel.com> - 2017-03-06 15:30 +0100
    Re: [PATCH 24/29] drivers: convert iblock_req.pending from atomic_t  to refcount_t "Nicholas A. Bellinger" <nab@linux-iscsi.org> - 2017-03-08 08:50 +0100
  [PATCH 02/29] drivers, firewire: convert fw_node.ref_count from atomic_t to refcount_t Elena Reshetova <elena.reshetova@intel.com> - 2017-03-06 15:30 +0100
  [PATCH 13/29] drivers, media: convert vb2_vmarea_handler.refcount from atomic_t to refcount_t Elena Reshetova <elena.reshetova@intel.com> - 2017-03-06 15:40 +0100
    Re: [PATCH 13/29] drivers, media: convert  vb2_vmarea_handler.refcount from atomic_t to refcount_t Sakari Ailus <sakari.ailus@iki.fi> - 2017-03-07 10:00 +0100
      RE: [PATCH 13/29] drivers, media: convert  vb2_vmarea_handler.refcount from atomic_t to refcount_t "Reshetova, Elena" <elena.reshetova@intel.com> - 2017-03-07 16:00 +0100
  [PATCH 16/29] drivers, media: convert vb2_vmalloc_buf.refcount from atomic_t to refcount_t Elena Reshetova <elena.reshetova@intel.com> - 2017-03-06 15:40 +0100
  [PATCH 15/29] drivers, media: convert vb2_dma_sg_buf.refcount from atomic_t to refcount_t Elena Reshetova <elena.reshetova@intel.com> - 2017-03-06 15:40 +0100
  [PATCH 22/29] drivers, scsi: convert iscsi_task.refcount from atomic_t to refcount_t Elena Reshetova <elena.reshetova@intel.com> - 2017-03-06 15:40 +0100
    Re: [PATCH 22/29] drivers, scsi: convert iscsi_task.refcount from  atomic_t to refcount_t Chris Leech <cleech@redhat.com> - 2017-03-08 19:50 +0100
      RE: [PATCH 22/29] drivers, scsi: convert iscsi_task.refcount from  atomic_t to refcount_t "Reshetova, Elena" <elena.reshetova@intel.com> - 2017-03-09 08:30 +0100
        Re: [PATCH 22/29] drivers, scsi: convert iscsi_task.refcount from  atomic_t to refcount_t Johannes Thumshirn <jthumshirn@suse.de> - 2017-03-09 09:50 +0100
          RE: [PATCH 22/29] drivers, scsi: convert iscsi_task.refcount from  atomic_t to refcount_t "Reshetova, Elena" <elena.reshetova@intel.com> - 2017-03-09 10:30 +0100
            Re: [PATCH 22/29] drivers, scsi: convert iscsi_task.refcount from  atomic_t to refcount_t Johannes Thumshirn <jthumshirn@suse.de> - 2017-03-09 10:40 +0100
  [PATCH 27/29] drivers, usb: convert ep_data.count from atomic_t to refcount_t Elena Reshetova <elena.reshetova@intel.com> - 2017-03-06 15:40 +0100
  [PATCH 19/29] drivers, s390: convert lcs_reply.refcnt from atomic_t to refcount_t Elena Reshetova <elena.reshetova@intel.com> - 2017-03-06 15:40 +0100
  [PATCH 21/29] drivers, s390: convert fc_fcp_pkt.ref_cnt from atomic_t to refcount_t Elena Reshetova <elena.reshetova@intel.com> - 2017-03-06 15:40 +0100
    Re: [PATCH 21/29] drivers, s390: convert fc_fcp_pkt.ref_cnt from  atomic_t to refcount_t Johannes Thumshirn <jthumshirn@suse.de> - 2017-03-06 16:30 +0100
      Re: [PATCH 21/29] drivers, s390: convert fc_fcp_pkt.ref_cnt from  atomic_t to refcount_t Benjamin Block <bblock@linux.vnet.ibm.com> - 2017-03-06 20:50 +0100
      RE: [PATCH 21/29] drivers, s390: convert fc_fcp_pkt.ref_cnt from  atomic_t to refcount_t "Reshetova, Elena" <elena.reshetova@intel.com> - 2017-03-07 12:20 +0100
      RE: [PATCH 21/29] drivers, s390: convert fc_fcp_pkt.ref_cnt from  atomic_t to refcount_t "Reshetova, Elena" <elena.reshetova@intel.com> - 2017-03-08 15:00 +0100
        Re: [PATCH 21/29] drivers, s390: convert fc_fcp_pkt.ref_cnt from  atomic_t to refcount_t Johannes Thumshirn <jthumshirn@suse.de> - 2017-03-08 16:30 +0100
  [PATCH 23/29] drivers: convert vme_user_vma_priv.refcnt from atomic_t to refcount_t Elena Reshetova <elena.reshetova@intel.com> - 2017-03-06 15:40 +0100
  [PATCH 14/29] drivers, media: convert vb2_dc_buf.refcount from atomic_t to refcount_t Elena Reshetova <elena.reshetova@intel.com> - 2017-03-06 15:40 +0100
  [PATCH 04/29] drivers, connector: convert cn_callback_entry.refcnt from atomic_t to refcount_t Elena Reshetova <elena.reshetova@intel.com> - 2017-03-06 15:40 +0100
  [PATCH 05/29] drivers, md, bcache: convert cached_dev.count from atomic_t to refcount_t Elena Reshetova <elena.reshetova@intel.com> - 2017-03-06 15:40 +0100
  [PATCH 17/29] drivers, pci: convert hv_pci_dev.refs from atomic_t to refcount_t Elena Reshetova <elena.reshetova@intel.com> - 2017-03-06 15:40 +0100
    Re: [PATCH 17/29] drivers, pci: convert hv_pci_dev.refs from  atomic_t to refcount_t Bjorn Helgaas <helgaas@kernel.org> - 2017-03-06 23:30 +0100
      Re: [PATCH 17/29] drivers, pci: convert hv_pci_dev.refs from  atomic_t to refcount_t Stephen Hemminger <stephen@networkplumber.org> - 2017-03-07 21:00 +0100
  [PATCH 20/29] drivers, s390: convert qeth_reply.refcnt from atomic_t to refcount_t Elena Reshetova <elena.reshetova@intel.com> - 2017-03-06 15:40 +0100
  [PATCH 07/29] drivers, md: convert dm_dev_internal.count from atomic_t to refcount_t Elena Reshetova <elena.reshetova@intel.com> - 2017-03-06 15:40 +0100
  [PATCH 29/29] drivers, xen: convert grant_map.users from atomic_t to refcount_t Elena Reshetova <elena.reshetova@intel.com> - 2017-03-06 15:40 +0100
    Re: [Xen-devel] [PATCH 29/29] drivers, xen: convert grant_map.users  from atomic_t to refcount_t Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2017-03-06 19:50 +0100
      RE: [Xen-devel] [PATCH 29/29] drivers, xen: convert grant_map.users  from atomic_t to refcount_t "Reshetova, Elena" <elena.reshetova@intel.com> - 2017-03-08 15:10 +0100
        Re: [Xen-devel] [PATCH 29/29] drivers, xen: convert grant_map.users  from atomic_t to refcount_t Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2017-03-08 18:50 +0100
          RE: [Xen-devel] [PATCH 29/29] drivers, xen: convert grant_map.users  from atomic_t to refcount_t "Reshetova, Elena" <elena.reshetova@intel.com> - 2017-03-09 08:30 +0100
  [PATCH 25/29] drivers, usb: convert ffs_data.ref from atomic_t to refcount_t Elena Reshetova <elena.reshetova@intel.com> - 2017-03-06 15:40 +0100
  [PATCH 28/29] drivers: convert sbd_duart.map_guard from atomic_t to refcount_t Elena Reshetova <elena.reshetova@intel.com> - 2017-03-06 15:40 +0100
  [PATCH 09/29] drivers, md: convert table_device.count from atomic_t to refcount_t Elena Reshetova <elena.reshetova@intel.com> - 2017-03-06 15:50 +0100
  [PATCH 01/29] drivers, block: convert xen_blkif.refcnt from atomic_t to refcount_t Elena Reshetova <elena.reshetova@intel.com> - 2017-03-06 15:50 +0100
  [PATCH 18/29] drivers, s390: convert urdev.ref_count from atomic_t to refcount_t Elena Reshetova <elena.reshetova@intel.com> - 2017-03-06 15:50 +0100
  [PATCH 03/29] drivers, char: convert vma_data.refcnt from atomic_t to refcount_t Elena Reshetova <elena.reshetova@intel.com> - 2017-03-06 16:30 +0100

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