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From: David Howells <dhowells@redhat.com>
To: Dan Carpenter <error27@gmail.com>
Cc: dhowells@redhat.com, kernel-janitors@vger.kernel.org,
	linux-afs@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [patch] afs: potential null dereference
Date: Mon, 22 Mar 2010 12:05:20 +0000	[thread overview]
Message-ID: <28809.1269259520@redhat.com> (raw)
In-Reply-To: <20100320111938.GT5331@bicker>

Dan Carpenter <error27@gmail.com> wrote:

> It seems clear from the surrounding code that xpermits is allowed to be 
> NULL here.

Interesting.  The memcpy() won't oops due to this because if it is given a
NULL pointer, it will also be given a zero count.  I wonder if this means the
if-statement your patch adds is actually unnecessary...

David

  reply	other threads:[~2010-03-22 12:05 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-03-20 11:19 [patch] afs: potential null dereference Dan Carpenter
2010-03-20 11:19 ` Dan Carpenter
2010-03-22 12:05 ` David Howells [this message]
2010-03-22 12:56   ` Dan Carpenter
2010-03-22 12:56     ` Dan Carpenter
2010-03-22 13:05     ` David Howells
  -- strict thread matches above, loose matches on Subject: below --
2010-03-22 13:07 [PATCH] AFS: Potential " David Howells

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