From: Fabio Estevam <fabio.estevam@xxxxxxx> clk_prepare_enable() may fail, so we should better check its return value and propagate it in the case of error. Signed-off-by: Fabio Estevam <fabio.estevam@xxxxxxx> --- drivers/media/i2c/ov7670.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/media/i2c/ov7670.c b/drivers/media/i2c/ov7670.c index 552a881..e88549f 100644 --- a/drivers/media/i2c/ov7670.c +++ b/drivers/media/i2c/ov7670.c @@ -1615,7 +1615,9 @@ static int ov7670_probe(struct i2c_client *client, info->clk = devm_clk_get(&client->dev, "xclk"); if (IS_ERR(info->clk)) return PTR_ERR(info->clk); - clk_prepare_enable(info->clk); + ret = clk_prepare_enable(info->clk); + if (ret) + return ret; ret = ov7670_init_gpio(client, info); if (ret) -- 2.7.4