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Subject: media: ov7670: Check the return value from clk_prepare_enable()
Author: Fabio Estevam <fabio.este...@nxp.com>
Date: Tue Jul 18 23:34:19 2017 -0400
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.este...@nxp.com>
Signed-off-by: Hans Verkuil <hans.verk...@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mche...@s-opensource.com>
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 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)
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