From: Alexey Khoroshilov <khoroshilov@ispras.ru>
Date: Tue, 28 Aug 2012 14:38:02 +0000 (+0400)
Subject: [SCSI] mpt2sas: fix double mutex lock in NON_BLOCKING state
X-Git-Tag: omap-for-v3.7-rc1/fixes-cpufreq-signed~38^2^2~57
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b656688a90175d4c424a2f02264863ede7e82d7b;p=pandora-kernel.git

[SCSI] mpt2sas: fix double mutex lock in NON_BLOCKING state

If state is NON_BLOCKING and mutex_trylock is succeed,
the control flow goes to mutex_lock_interruptible() that is a deadlock.

[jejb: fixed coding style problems]
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Acked-by: "Sreekanth Reddy" <sreekanth.reddy@lsi.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
---

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