From: Franky Lin <frankyl@broadcom.com>
Date: Mon, 30 Apr 2012 18:43:07 +0000 (-0700)
Subject: brcmfmac: fix a double spin_unlock_irqrestore issue in dpc
X-Git-Tag: v3.4-rc7~4^2~17^2^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cf04317227d0c53d931a0b963e7ac6f7f0125e8a;p=pandora-kernel.git

brcmfmac: fix a double spin_unlock_irqrestore issue in dpc

dpc_tl_lock is not acquired in the error handle code for bus down.
But it's unlocked using spin_unlock_irqrestore after finishing task
list walk down. Grab the lock before breaking the loop to avoid a
double unlock.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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