Since commit afd9690c72c3 ("[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: afd9690c72c3 ("[media] ov6650: convert to the control framework") Signed-off-by: Janusz Krzysztofik jmkrzyszt@gmail.com Cc: stable@vger.kernel.org --- drivers/media/i2c/ov6650.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/drivers/media/i2c/ov6650.c b/drivers/media/i2c/ov6650.c index a3d00afcb0c8..007f0ca24913 100644 --- a/drivers/media/i2c/ov6650.c +++ b/drivers/media/i2c/ov6650.c @@ -992,8 +992,10 @@ 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); @@ -1012,8 +1014,10 @@ static int ov6650_probe(struct i2c_client *client, priv->subdev.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
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; }