netdev - Re: [PATCH 11/29] drivers, media: convert cx88_core.refcount from atomic_t to refcount

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Message-ID: <20170307082250.GF3220@valkosipuli.retiisi.org.uk>
Date:   Tue, 7 Mar 2017 10:22:50 +0200
From:   Sakari Ailus <sakari.ailus@....fi>
To:     Elena Reshetova <elena.reshetova@...el.com>
Cc:     gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
        xen-devel@...ts.xenproject.org, netdev@...r.kernel.org,
        linux1394-devel@...ts.sourceforge.net,
        linux-bcache@...r.kernel.org, linux-raid@...r.kernel.org,
        linux-media@...r.kernel.org, devel@...uxdriverproject.org,
        linux-pci@...r.kernel.org, linux-s390@...r.kernel.org,
        fcoe-devel@...n-fcoe.org, linux-scsi@...r.kernel.org,
        open-iscsi@...glegroups.com, devel@...verdev.osuosl.org,
        target-devel@...r.kernel.org, linux-serial@...r.kernel.org,
        linux-usb@...r.kernel.org, peterz@...radead.org,
        Hans Liljestrand <ishkamiel@...il.com>,
        Kees Cook <keescook@...omium.org>,
        David Windsor <dwindsor@...il.com>
Subject: Re: [PATCH 11/29] drivers, media: convert cx88_core.refcount from
 atomic_t to refcount_t

On Mon, Mar 06, 2017 at 04:20:58PM +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@...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>

Acked-by: Sakari Ailus <sakari.ailus@...ux.intel.com>

-- 
Sakari Ailus
e-mail: sakari.ailus@....fi	XMPP: sailus@...iisi.org.uk