From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Date: Fri, 10 May 2013 13:37:14 +0000 (+0100)
Subject: dm cache: fix error return code in cache_create
X-Git-Tag: v3.10-rc1~12^2~19
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fa4d683af3693863bec761e2761a07e4c1351f86;p=pandora-kernel.git

dm cache: fix error return code in cache_create

Return -ENOMEM if memory allocation fails in cache_create
instead of 0 (to avoid NULL pointer dereference).

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Cc: stable@vger.kernel.org
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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