From: Silva Paulo <psdasilva@yahoo.com>
Date: Sat, 14 Jul 2012 22:39:58 +0000 (-0700)
Subject: blk: fix wrong idr_pre_get() error check in loop.c
X-Git-Tag: v3.5-rc7~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=68d740d79c4977a1a2197c6e68c618c8320c8ace;p=pandora-kernel.git

blk: fix wrong idr_pre_get() error check in loop.c

The idr_pre_get() function never returns a value < 0.  It returns 0 (no
memory) or 1 (OK).

Reported-by: Silva Paulo <psdasilva@yahoo.com>
[ Rewrote Silva's patch, but attributing it to Silva anyway  - Linus ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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