tree 346ba02239f0d3a1ed5d1d09fc3d323c29202270
parent 453dc65931915abc61f92e12bba1fc4747ff5542
author Dan Carpenter <error27@gmail.com> 1272043090 -0400
committer Linus Torvalds <torvalds@linux-foundation.org> 1272133886 -0700

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>