From: Jesper Juhl <jj@chaosbits.net>
Date: Mon, 30 Sep 2013 20:44:37 +0000 (+0200)
Subject: staging: lustre: Don't leak 'buffer' in cfs_get_environ()
X-Git-Tag: omap-for-v3.13/fixes-for-merge-window-take2~62^2~551
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b20204310ad18516146264830bc7b840b6052d57;p=pandora-kernel.git

staging: lustre: Don't leak 'buffer' in cfs_get_environ()

If 'down_read_trylock' fails we'll curently leak the memory allocated to 'buffer'.
Fix the leak by simply kfree'ing 'buffer' before returning '-EDEADLK'.

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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