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media: i2c: ov9640: fix missing error handling in probe 

Control handlers registration lacked error path with
v4l2_ctrl_handler_free() call. Fix it by using goto to alread existing
v4l2_ctrl_handler_free() call.

Signed-off-by: Petr Cvek <petrcvekcz@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Petr Cvek 2018-12-13 10:39:19 -05:00 committed by Mauro Carvalho Chehab
parent 95531e4622
commit ffe305d261
1 changed files with 8 additions and 4 deletions
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12
drivers/media/i2c/ov9640.c
View File

@ -710,14 +710,18 @@ static int ov9640_probe(struct i2c_client *client,
V4L2_CID_VFLIP, 0, 1, 1, 0);
v4l2_ctrl_new_std(&priv->hdl, &ov9640_ctrl_ops,
V4L2_CID_HFLIP, 0, 1, 1, 0);
if (priv->hdl.error) {
ret = priv->hdl.error;
goto ectrlinit;
}
priv->subdev.ctrl_handler = &priv->hdl;
if (priv->hdl.error)
return priv->hdl.error;
priv->clk = v4l2_clk_get(&client->dev, "mclk");
if (IS_ERR(priv->clk)) {
ret = PTR_ERR(priv->clk);
goto eclkget;
goto ectrlinit;
}
ret = ov9640_video_probe(client);
@ -733,7 +737,7 @@ static int ov9640_probe(struct i2c_client *client,
eprobe:
v4l2_clk_put(priv->clk);
eclkget:
ectrlinit:
v4l2_ctrl_handler_free(&priv->hdl);
return ret;