From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Thu, 14 Feb 2013 09:00:17 +0000 (+0200)
Subject: dma: coh901318: avoid unbalanced locking
X-Git-Tag: v3.9-rc1~80^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4168d0d9d304f184f786b1f00750557b8e09453c;p=pandora-kernel.git

dma: coh901318: avoid unbalanced locking

In case the len is 0 we must return without trying to unlock the lock that was
not locked.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
---

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