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Re: [Xen-devel] [PATCH 22/29] drivers, scsi: convert iscsi_task.refcount from atomic_t to refcount_t
- To: "Reshetova, Elena" <elena.reshetova@xxxxxxxxx>, Chris Leech <cleech@xxxxxxxxxx>
- From: Johannes Thumshirn <jthumshirn@xxxxxxx>
- Date: Thu, 9 Mar 2017 09:43:12 +0100
- Cc: "peterz@xxxxxxxxxxxxx" <peterz@xxxxxxxxxxxxx>, "linux-pci@xxxxxxxxxxxxxxx" <linux-pci@xxxxxxxxxxxxxxx>, "target-devel@xxxxxxxxxxxxxxx" <target-devel@xxxxxxxxxxxxxxx>, "linux1394-devel@xxxxxxxxxxxxxxxxxxxxx" <linux1394-devel@xxxxxxxxxxxxxxxxxxxxx>, "devel@xxxxxxxxxxxxxxxxxxxx" <devel@xxxxxxxxxxxxxxxxxxxx>, "linux-s390@xxxxxxxxxxxxxxx" <linux-s390@xxxxxxxxxxxxxxx>, "linux-scsi@xxxxxxxxxxxxxxx" <linux-scsi@xxxxxxxxxxxxxxx>, "linux-serial@xxxxxxxxxxxxxxx" <linux-serial@xxxxxxxxxxxxxxx>, "fcoe-devel@xxxxxxxxxxxxx" <fcoe-devel@xxxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, "open-iscsi@xxxxxxxxxxxxxxxx" <open-iscsi@xxxxxxxxxxxxxxxx>, "linux-media@xxxxxxxxxxxxxxx" <linux-media@xxxxxxxxxxxxxxx>, Kees Cook <keescook@xxxxxxxxxxxx>, "linux-raid@xxxxxxxxxxxxxxx" <linux-raid@xxxxxxxxxxxxxxx>, "linux-bcache@xxxxxxxxxxxxxxx" <linux-bcache@xxxxxxxxxxxxxxx>, Hans Liljestrand <ishkamiel@xxxxxxxxx>, David Windsor <dwindsor@xxxxxxxxx>, "gregkh@xxxxxxxxxxxxxxxxxxx" <gregkh@xxxxxxxxxxxxxxxxxxx>, "linux-usb@xxxxxxxxxxxxxxx" <linux-usb@xxxxxxxxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, "netdev@xxxxxxxxxxxxxxx" <netdev@xxxxxxxxxxxxxxx>, "devel@xxxxxxxxxxxxxxxxxxxxxx" <devel@xxxxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Thu, 09 Mar 2017 08:43:29 +0000
- List-id: Xen developer discussion <xen-devel.lists.xen.org>
On 03/09/2017 08:18 AM, Reshetova, Elena wrote:
>> On Mon, Mar 06, 2017 at 04:21:09PM +0200, 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.
>>>
>>> Signed-off-by: Elena Reshetova <elena.reshetova@xxxxxxxxx>
>>> Signed-off-by: Hans Liljestrand <ishkamiel@xxxxxxxxx>
>>> Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
>>> Signed-off-by: David Windsor <dwindsor@xxxxxxxxx>
>>
>> This looks OK to me.
>>
>> Acked-by: Chris Leech <cleech@xxxxxxxxxx>
>
> Thank you for review! Do you have a tree that can take this change?
Hi Elena,
iscsi like fcoe should go via the SCSI tree.
Byte,
Johannes
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