[PATCH 16/38] gpu: ipu-v3: fix div_ratio type
From: Andrzej Hajda
Date: Mon Sep 21 2015 - 09:49:42 EST
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@xxxxxxxxxxx>
---
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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