From: Fabio Estevam Date: Wed, 19 Jul 2017 03:34:19 +0000 (-0400) Subject: media: ov7670: Check the return value from clk_prepare_enable() X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=1fc86ad052fc051639df1f60faeb619dbe567e07;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git media: ov7670: Check the return value from clk_prepare_enable() 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 Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/i2c/ov7670.c b/drivers/media/i2c/ov7670.c index 552a881e24da..e88549f0e704 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)