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media: uvcvideo: Remove redundant NULL assignment

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commit 04d3398f66d2d31c4b8caea88f051a4257b7a161 upstream.

ctrl->handle will only be different than NULL for controls that have
mappings. This is because that assignment is only done inside
uvc_ctrl_set() for mapped controls.

Cc: stable@vger.kernel.org
Fixes: e5225c820c ("media: uvcvideo: Send a control event when a Control Change interrupt arrives")
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Link: https://lore.kernel.org/r/20241203-uvc-fix-async-v6-2-26c867231118@chromium.org
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ricardo Ribalda 2024-12-03 21:20:09 +00:00 • committed by Greg Kroah-Hartman
commit d7b11ef0c3
1 changed files with 1 additions and 3 deletions
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4
drivers/media/usb/uvc/uvc_ctrl.c
View file

@ -1402,10 +1402,8 @@ bool uvc_ctrl_status_event_async(struct urb *urb, struct uvc_video_chain *chain,
struct uvc_device *dev = chain->dev;
struct uvc_ctrl_work *w = &dev->async_ctrl;
if (list_empty(&ctrl->info.mappings)) {
ctrl->handle = NULL;
if (list_empty(&ctrl->info.mappings))
return false;
}
w->data = data;
w->urb = urb;