Messages in this thread Patch in this message | | | From | Andrzej Hajda <> | Subject | [PATCH 16/38] gpu: ipu-v3: fix div_ratio type | Date | Mon, 21 Sep 2015 15:33:48 +0200 |
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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> --- drivers/gpu/ipu-v3/ipu-csi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/ipu-v3/ipu-csi.c b/drivers/gpu/ipu-v3/ipu-csi.c index 752cdd2..b6c3a82 100644 --- a/drivers/gpu/ipu-v3/ipu-csi.c +++ b/drivers/gpu/ipu-v3/ipu-csi.c @@ -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; -- 1.9.1
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