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media: ov6650: Fix control handler not freed on init error

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[ Upstream commit c404af950d14b71bfbf574a752b6c29d726baaba ]

Since commit afd9690c72 ("[media] ov6650: convert to the control
framework"), if an error occurs during initialization of a control
handler, resources possibly allocated to the handler are not freed
before device initialiaton is aborted.  Fix it.

Fixes: afd9690c72 ("[media] ov6650: convert to the control framework")
Signed-off-by: Janusz Krzysztofik <[email protected]>
Signed-off-by: Sakari Ailus <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
This commit is contained in:
Janusz Krzysztofik 2019-09-03 17:11:37 -03:00 • committed by Greg Kroah-Hartman
commit e88e1d28be
1 changed files with 8 additions and 4 deletions
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12
drivers/media/i2c/ov6650.c
View file

@ -989,8 +989,10 @@ static int ov6650_probe(struct i2c_client *client,
V4L2_CID_GAMMA, 0, 0xff, 1, 0x12);
priv->subdev.ctrl_handler = &priv->hdl;
if (priv->hdl.error)
return priv->hdl.error;
if (priv->hdl.error) {
ret = priv->hdl.error;
goto ectlhdlfree;
}
v4l2_ctrl_auto_cluster(2, &priv->autogain, 0, true);
v4l2_ctrl_auto_cluster(3, &priv->autowb, 0, true);
@ -1008,8 +1010,10 @@ static int ov6650_probe(struct i2c_client *client,
priv->subdev.internal_ops = &ov6650_internal_ops;
ret = v4l2_async_register_subdev(&priv->subdev);
if (ret)
v4l2_ctrl_handler_free(&priv->hdl);
if (!ret)
return 0;
ectlhdlfree:
v4l2_ctrl_handler_free(&priv->hdl);
return ret;
}