Commit 9b6d0d33 authored Sep 21, 2015 by Andrzej Hajda Committed by Philipp Zabel Oct 30, 2015

gpu: ipu-v3: fix div_ratio type

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>

parent 3e8b2246

drivers/gpu/ipu-v3/ipu-csi.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;

Admin message