From: "Lad, Prabhakar" <prabhakar.csengg@xxxxxxxxx> clk_set_rate(), clk_prepare_enable() functions can fail, so check the return values to avoid surprises. Signed-off-by: Lad, Prabhakar <prabhakar.csengg@xxxxxxxxx> --- drivers/media/i2c/mt9v032.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) 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 @@ static int mt9v032_power_on(struct mt9v032 *mt9v032) 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 */ -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
