Messages in this thread Patch in this message | | | From | Sasha Levin <> | Subject | [PATCH AUTOSEL 6.8 08/28] usb: gadget: uvc: refactor the check for a valid buffer in the pump worker | Date | Wed, 3 Apr 2024 13:16:10 -0400 |
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From: Michael Grzeschik <m.grzeschik@pengutronix.de>
[ Upstream commit 5e7ea65daf13a95a6cc63d1377e4c500e4e1340f ]
By toggling the condition check for a valid buffer, the else path can be completely avoided.
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de> Link: https://lore.kernel.org/r/20240214-uvc-gadget-cleanup-v1-2-de6d78780459@pengutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/usb/gadget/function/uvc_video.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/usb/gadget/function/uvc_video.c b/drivers/usb/gadget/function/uvc_video.c index dd3241fc6939d..dbdd9033c1268 100644 --- a/drivers/usb/gadget/function/uvc_video.c +++ b/drivers/usb/gadget/function/uvc_video.c @@ -594,10 +594,7 @@ static void uvcg_video_pump(struct work_struct *work) */ spin_lock_irqsave(&queue->irqlock, flags); buf = uvcg_queue_head(queue); - - if (buf != NULL) { - video->encode(req, video, buf); - } else { + if (!buf) { /* * Either the queue has been disconnected or no video buffer * available for bulk transfer. Either way, stop processing @@ -607,6 +604,8 @@ static void uvcg_video_pump(struct work_struct *work) break; } + video->encode(req, video, buf); + spin_unlock_irqrestore(&queue->irqlock, flags); spin_lock_irqsave(&video->req_lock, flags); -- 2.43.0
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