[media] adv7180: Fix remove order

The mutex is used in the subdev callbacks, so unregister the subdev before the
mutex is destroyed.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

diff --git a/drivers/media/i2c/adv7180.c b/drivers/media/i2c/adv7180.c
index d7d99f1..1a3622a 100644 (file)
--- a/drivers/media/i2c/adv7180.c
+++ b/drivers/media/i2c/adv7180.c
@@ -616,8 +616,8 @@ static int adv7180_probe(struct i2c_client *client,
 err_free_ctrl:
        adv7180_exit_controls(state);
 err_unreg_subdev:
-       mutex_destroy(&state->mutex);
        v4l2_device_unregister_subdev(sd);
+       mutex_destroy(&state->mutex);
 err:
        printk(KERN_ERR KBUILD_MODNAME ": Failed to probe: %d\n", ret);
        return ret;
@@ -640,8 +640,8 @@ static int adv7180_remove(struct i2c_client *client)
                }
        }
 
-       mutex_destroy(&state->mutex);
        v4l2_device_unregister_subdev(sd);
+       mutex_destroy(&state->mutex);
        return 0;
 }