clk: vt8500: fix sign of possible PLL values

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With unsigned values underflow in loops can occur resulting in
theoretically infinite loops.

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

[1]: http://permalink.gmane.org/gmane.linux.kernel/2038576

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>

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Andrzej Hajda 2015-10-02 06:49:53 +02:00 • committed by Stephen Boyd

parent 0b225e41e3

commit 090341b0a9

1 changed files with 6 additions and 3 deletions

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drivers/clk/clk-vt8500.c

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