sata_fsl: fix error handling of irq_of_parse_and_map
authorDmitry Torokhov <dtor@chromium.org>
Fri, 14 Nov 2014 21:39:05 +0000 (13:39 -0800)
committerTejun Heo <tj@kernel.org>
Tue, 2 Dec 2014 17:52:17 +0000 (12:52 -0500)
commitaad0b624129709c94c2e19e583b6053520353fa8
tree741b63b4af83789e1313e99a5a0b3b8651a37865
parent249cd0a187ed4ef1d0af7f74362cc2791ec5581b
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
drivers/ata/sata_fsl.c