From: Alexey Khoroshilov <khoroshilov@ispras.ru>
Date: Mon, 29 Aug 2011 20:54:21 +0000 (+0400)
Subject: staging: lirc_sasem: fix NULL pointer dereference in sasem_probe
X-Git-Tag: v3.2-rc1~169^2^2~769
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=06b3f44a9784c48c64dfedf5f012deb93049a3aa;p=pandora-kernel.git

staging: lirc_sasem: fix NULL pointer dereference in sasem_probe

If any memory allocation failed, goto alloc_status_switch
leads to mutex_unlock(&context->ctx_lock) while context is NULL.
The patch moves alloc_status_switch to handle error conditions
in correct way.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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