From: Dan Carpenter <dan.carpenter@oracle.com>
To: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Markus Elfring <elfring@users.sourceforge.net>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
linux-media@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: Re: [patch] [media] uvcvideo: freeing an error pointer
Date: Fri, 25 Nov 2016 19:08:23 +0000 [thread overview]
Message-ID: <20161125182037.GB28558@mwanda> (raw)
In-Reply-To: <2064794.XNX8XhaLMu@avalon>
On Fri, Nov 25, 2016 at 03:57:51PM +0200, Laurent Pinchart wrote:
> diff --git a/mm/slab.c b/mm/slab.c
> index 0b0550ca85b4..a7eb830c6684 100644
> --- a/mm/slab.c
> +++ b/mm/slab.c
> @@ -3819,6 +3819,8 @@ void kfree(const void *objp)
>
> if (unlikely(ZERO_OR_NULL_PTR(objp)))
> return;
> + if (WARN_ON(IS_ERR(objp)))
> + return;
> local_irq_save(flags);
> kfree_debugcheck(objp);
> c = virt_to_cache(objp);
>
A bunch of people have proposed that. You're the first person to
actually write up a patch. Feel free to send it. ;)
regards,
dan carpenter
prev parent reply other threads:[~2016-11-25 19:08 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-25 10:28 [patch] [media] uvcvideo: freeing an error pointer Dan Carpenter
2016-11-25 13:40 ` SF Markus Elfring
2016-11-25 13:57 ` Laurent Pinchart
2016-11-25 14:47 ` walter harms
2016-11-25 16:02 ` Laurent Pinchart
2016-11-25 19:20 ` Dan Carpenter
2016-11-27 16:21 ` Sakari Alius
2016-11-28 13:49 ` Dan Carpenter
2016-11-28 13:54 ` Julia Lawall
2016-11-28 14:49 ` Laurent Pinchart
2016-11-30 12:33 ` Dan Carpenter
2016-11-30 13:53 ` Laurent Pinchart
2016-11-30 14:45 ` Dan Carpenter
2016-11-29 6:48 ` Julia Lawall
2016-11-25 19:08 ` Dan Carpenter [this message]
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