From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Date: Fri, 26 Apr 2013 15:34:16 +0000 (+0000)
Subject: genetlink: fix possible memory leak in genl_family_rcv_msg()
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~65^2~13
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=50754d2188b04a679a249fb57751542643a436e0;p=pandora-kernel.git

genetlink: fix possible memory leak in genl_family_rcv_msg()

'attrbuf' is malloced in genl_family_rcv_msg() when family->maxattr &&
family->parallel_ops, thus should be freed before leaving from the error
handling cases, otherwise it will cause memory leak.

Introduced by commit def3117493eafd9dfa1f809d861e0031b2cc8a07
(genl: Allow concurrent genl callbacks.)

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
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