clk: sunxi: fix handling return value of of_property_match_string
authorAndrzej Hajda <a.hajda@samsung.com>
Mon, 14 Dec 2015 10:06:00 +0000 (11:06 +0100)
committerMaxime Ripard <maxime.ripard@free-electrons.com>
Mon, 14 Dec 2015 12:54:11 +0000 (13:54 +0100)
commitfee3103ac3c0aeab52b337903f5af3cd3b3c02d8
tree689d6dcb0f74d38fd17db3727b6938f665b7eee6
parentb1558f168f4ef5956913d73fe330c4da85c74349
clk: sunxi: fix handling return value of of_property_match_string

The function can return negative values, so its result should
be assigned to signed variable.

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: Maxime Ripard <maxime.ripard@free-electrons.com>
drivers/clk/sunxi/clk-sun8i-bus-gates.c