From: Julia Lawall <julia@diku.dk>
Date: Sat, 17 Oct 2009 06:34:39 +0000 (+0200)
Subject: ACPI: Move dereference after NULL test
X-Git-Tag: v2.6.32-rc7~65^2~1^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5cfa245b0b63c3d79568e78a1ee3d00654d5517d;p=pandora-kernel.git

ACPI: Move dereference after NULL test

If the NULL test on pr is needed, then the dereference should be after the
NULL test.

A simplified version of the semantic match that detects this problem is as
follows (http://coccinelle.lip6.fr/):

// <smpl>
@match exists@
expression x, E;
identifier fld;
@@

* x->fld
  ... when != \(x = E\|&x\)
* x == NULL
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
---

Reading git-diff-tree failed