From: Phil Carmody <ext-phil.2.carmody@nokia.com>
Date: Tue, 15 Dec 2009 02:00:29 +0000 (-0800)
Subject: err.h: add helper function to simplify pointer error checking
X-Git-Tag: v2.6.33-rc1~153
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=603c4ba96be998a8dd7a6f9b23681c49acdf4b64;p=pandora-kernel.git

err.h: add helper function to simplify pointer error checking

There are quite a few instances in the kernel of checks of pointers both
against NULL and against the errno range, handling both cases identically.
This additional helper function would simplify such code.

[akpm@linux-foundation.org: build fix]
Signed-off-by: Phil Carmody <ext-phil.2.carmody@nokia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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