[PATCH 16/38] gpu: ipu-v3: fix div_ratio type

From	Andrzej Hajda <a.hajda@samsung.com>
Newsgroups	linux.kernel
Subject	[PATCH 16/38] gpu: ipu-v3: fix div_ratio type
Date	2015-09-21 15:50 +0200
Message-ID	<qb9DK-8gq-61@gated-at.bofh.it> (permalink)
References	<qb9u2-83M-3@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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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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[PATCH 16/38] gpu: ipu-v3: fix div_ratio type Andrzej Hajda <a.hajda@samsung.com> - 2015-09-21 15:50 +0200

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