spi: davinci: fix handling platform_get_irq result
authorAndrzej Hajda <a.hajda@samsung.com>
Thu, 24 Sep 2015 14:00:10 +0000 (16:00 +0200)
committerMark Brown <broonie@kernel.org>
Fri, 25 Sep 2015 18:08:08 +0000 (11:08 -0700)
commit8494cdea2223b66491df1264619e2205b4487913
tree7d515482c65ee860d229f3fc64ea5031bebe81c3
parent6ff33f3902c3b1c5d0db6b1e2c70b6d76fba357f
spi: davinci: fix handling platform_get_irq result

The function can return negative value.

The problem has been detected using proposed semantic patch
scripts/coccinelle/tests/assign_signed_to_unsigned.cocci [1].

[1]: http://permalink.gmane.org/gmane.linux.kernel/2046107

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
drivers/spi/spi-davinci.c