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Re: [Xen-devel] [PATCH 21/29] drivers, s390: convert fc_fcp_pkt.ref_cnt from atomic_t to refcount_t
- To: Johannes Thumshirn <jthumshirn@xxxxxxx>, "gregkh@xxxxxxxxxxxxxxxxxxx" <gregkh@xxxxxxxxxxxxxxxxxxx>
- From: "Reshetova, Elena" <elena.reshetova@xxxxxxxxx>
- Date: Tue, 7 Mar 2017 07:50:16 +0000
- Accept-language: en-US
- Cc: "devel@xxxxxxxxxxxxxxxxxxxx" <devel@xxxxxxxxxxxxxxxxxxxx>, "linux-s390@xxxxxxxxxxxxxxx" <linux-s390@xxxxxxxxxxxxxxx>, "open-iscsi@xxxxxxxxxxxxxxxx" <open-iscsi@xxxxxxxxxxxxxxxx>, Kees Cook <keescook@xxxxxxxxxxxx>, "linux-scsi@xxxxxxxxxxxxxxx" <linux-scsi@xxxxxxxxxxxxxxx>, David Windsor <dwindsor@xxxxxxxxx>, "peterz@xxxxxxxxxxxxx" <peterz@xxxxxxxxxxxxx>, "netdev@xxxxxxxxxxxxxxx" <netdev@xxxxxxxxxxxxxxx>, "linux-usb@xxxxxxxxxxxxxxx" <linux-usb@xxxxxxxxxxxxxxx>, "linux-pci@xxxxxxxxxxxxxxx" <linux-pci@xxxxxxxxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, "linux-raid@xxxxxxxxxxxxxxx" <linux-raid@xxxxxxxxxxxxxxx>, "linux-bcache@xxxxxxxxxxxxxxx" <linux-bcache@xxxxxxxxxxxxxxx>, "target-devel@xxxxxxxxxxxxxxx" <target-devel@xxxxxxxxxxxxxxx>, "linux-serial@xxxxxxxxxxxxxxx" <linux-serial@xxxxxxxxxxxxxxx>, "devel@xxxxxxxxxxxxxxxxxxxxxx" <devel@xxxxxxxxxxxxxxxxxxxxxx>, "fcoe-devel@xxxxxxxxxxxxx" <fcoe-devel@xxxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, "linux1394-devel@xxxxxxxxxxxxxxxxxxxxx" <linux1394-devel@xxxxxxxxxxxxxxxxxxxxx>, Hans Liljestrand <ishkamiel@xxxxxxxxx>, "linux-media@xxxxxxxxxxxxxxx" <linux-media@xxxxxxxxxxxxxxx>
- Delivery-date: Tue, 07 Mar 2017 07:50:33 +0000
- List-id: Xen developer discussion <xen-devel.lists.xen.org>
- Thread-index: AQHSloVAEckjq744bkiAnfsA3NTd4qGH7zWAgAESISA=
- Thread-topic: [PATCH 21/29] drivers, s390: convert fc_fcp_pkt.ref_cnt from atomic_t to refcount_t
> 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@xxxxxxxxxx>
>
> --
> Johannes Thumshirn Storage
> jthumshirn@xxxxxxx +49 911 74053 689
> SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
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