[media] mt9v032: Check return value of clk_prepare_enable/clk_set_rate
clk_set_rate(), clk_prepare_enable() functions can fail, so check the return
values to avoid surprises.
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
diff --git a/drivers/media/i2c/mt9v032.c b/drivers/media/i2c/mt9v032.c
index 36c504b..40172b8 100644
--- a/drivers/media/i2c/mt9v032.c
+++ b/drivers/media/i2c/mt9v032.c
@@ -317,8 +317,14 @@
struct i2c_client *client = v4l2_get_subdevdata(&mt9v032->subdev);
int ret;
- clk_set_rate(mt9v032->clk, mt9v032->sysclk);
- clk_prepare_enable(mt9v032->clk);
+ ret = clk_set_rate(mt9v032->clk, mt9v032->sysclk);
+ if (ret < 0)
+ return ret;
+
+ ret = clk_prepare_enable(mt9v032->clk);
+ if (ret)
+ return ret;
+
udelay(1);
/* Reset the chip and stop data read out */