gpu: ipu-v3: fix div_ratio type

Author: Andrzej Hajda <a.hajda@samsung.com>

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 
Signed-off-by: Philipp Zabel

---
 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 3bdb705..06631ac 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;

gpu: ipu-v3: fix div_ratio type

qlambert

Archives

Posts by Subject