media: i2c: adv7842: Remove redundant cancel_delayed_work in probe

commit e66a5cc606c58e72f18f9cdd868a3672e918f9f8 upstream.

The delayed_work delayed_work_enable_hotplug is initialized with
INIT_DELAYED_WORK() in adv7842_probe(), but it is never scheduled
anywhere in the probe function.

Calling cancel_delayed_work() on a work that has never been
scheduled is redundant and unnecessary, as there is no pending
work to cancel.

Remove the redundant cancel_delayed_work() from error handling
path and adjust the goto label accordingly to simplify the code
and avoid potential confusion.

Fixes: a89bcd4 ("[media] adv7842: add new video decoder driver")
Cc: stable@vger.kernel.org
Signed-off-by: Duoming Zhou <duoming@zju.edu.cn>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ulrich Hecht <uli@kernel.org>

Author: stonezdm

drivers/media/i2c/adv7842.c

@@ -3550,7 +3550,7 @@ static int adv7842_probe(struct i2c_client *client,
 	state->pad.flags = MEDIA_PAD_FL_SOURCE;
 	err = media_entity_pads_init(&sd->entity, 1, &state->pad);
 	if (err)
-		goto err_work_queues;
+		goto err_i2c;
 
 	err = adv7842_core_init(sd);
 	if (err)
@@ -3571,8 +3571,6 @@ static int adv7842_probe(struct i2c_client *client,
 
 err_entity:
 	media_entity_cleanup(&sd->entity);
-err_work_queues:
-	cancel_delayed_work(&state->delayed_work_enable_hotplug);
 err_i2c:
 	adv7842_unregister_clients(sd);
 err_hdl: