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gpu: ipu-v3: fix div_ratio type

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The variable can be negative.

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: Philipp Zabel <p.zabel@pengutronix.de>
This commit is contained in:
Andrzej Hajda 2015-09-21 15:33:48 +02:00 committed by Philipp Zabel
parent 3e8b2246c3
commit 9b6d0d33c8
1 changed files with 1 additions and 1 deletions
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drivers/gpu/ipu-v3/ipu-csi.c
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@ -202,7 +202,7 @@ static int ipu_csi_set_testgen_mclk(struct ipu_csi *csi, u32 pixel_clk,
u32 ipu_clk)
{
u32 temp;
u32 div_ratio;
int div_ratio;
div_ratio = (ipu_clk / pixel_clk) - 1;