From: Dan Carpenter <error27@gmail.com>
Date: Fri, 23 Apr 2010 17:18:10 +0000 (-0400)
Subject: ksm: check for ERR_PTR from follow_page()
X-Git-Tag: v2.6.34-rc6~37
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=22eccdd7d2d94be48ae9b01fef5f52ccbb81dcd5;p=pandora-kernel.git

ksm: check for ERR_PTR from follow_page()

The follow_page() function can potentially return -EFAULT so I added
checks for this.

Also I silenced an uninitialized variable warning on my version of gcc
(version 4.3.2).

Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Rik van Riel <riel@redhat.com>
Acked-by: Izik Eidus <ieidus@redhat.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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