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Date: Mon, 6 Mar 2017 11:58:59 -0500
From: Boris Ostrovsky <boris.ostrovsky@...cle.com>
To: Elena Reshetova <elena.reshetova@...el.com>,
gregkh@...uxfoundation.org
Cc: peterz@...radead.org, linux-pci@...r.kernel.org,
target-devel@...r.kernel.org,
linux1394-devel@...ts.sourceforge.net, devel@...verdev.osuosl.org,
linux-s390@...r.kernel.org, linux-scsi@...r.kernel.org,
linux-serial@...r.kernel.org, fcoe-devel@...n-fcoe.org,
xen-devel@...ts.xenproject.org, open-iscsi@...glegroups.com,
linux-media@...r.kernel.org, Kees Cook <keescook@...omium.org>,
linux-raid@...r.kernel.org, linux-bcache@...r.kernel.org,
Hans Liljestrand <ishkamiel@...il.com>,
David Windsor <dwindsor@...il.com>, netdev@...r.kernel.org,
linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
devel@...uxdriverproject.org, Juergen Gross <jgross@...e.com>
Subject: Re: [Xen-devel] [PATCH 29/29] drivers, xen: convert grant_map.users
from atomic_t to refcount_t
On 03/06/2017 09:21 AM, 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@...el.com>
> Signed-off-by: Hans Liljestrand <ishkamiel@...il.com>
> Signed-off-by: Kees Cook <keescook@...omium.org>
> Signed-off-by: David Windsor <dwindsor@...il.com>
> ---
> drivers/xen/gntdev.c | 11 ++++++-----
> 1 file changed, 6 insertions(+), 5 deletions(-)
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@...cle.com>
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