gpu: ipu-v3: fix div_ratio type
authorAndrzej Hajda <a.hajda@samsung.com>
Mon, 21 Sep 2015 13:33:48 +0000 (15:33 +0200)
committerPhilipp Zabel <p.zabel@pengutronix.de>
Fri, 30 Oct 2015 16:13:47 +0000 (17:13 +0100)
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>
drivers/gpu/ipu-v3/ipu-csi.c

index 3bdb7058fcca156fae647d7699487a9ed60d91ac..06631ac61b045ca35de0fd54b78095252096c9cd 100644 (file)
@@ -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;