From: Dmitry Torokhov <dtor@chromium.org>
Date: Fri, 14 Nov 2014 21:39:05 +0000 (-0800)
Subject: sata_fsl: fix error handling of irq_of_parse_and_map
X-Git-Tag: omap-for-v3.19/fixes-for-merge-window~30^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=aad0b624129709c94c2e19e583b6053520353fa8;p=pandora-kernel.git

sata_fsl: fix error handling of irq_of_parse_and_map

irq_of_parse_and_map() returns 0 on error (the result is unsigned int),
so testing for negative result never works.

Signed-off-by: Dmitry Torokhov <dtor@chromium.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: stable@vger.kernel.org
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