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usb: gadget: uvc: Simplify uvcg_video_pump by using local variable 

Use the local queue variable instead of computing it every time.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Laurent Pinchart 2014-09-16 17:26:48 +03:00 committed by Felipe Balbi
parent e102609f10
commit 6dd5b021bd
1 changed files with 5 additions and 5 deletions
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10
drivers/usb/gadget/function/uvc_video.c
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@ -309,10 +309,10 @@ int uvcg_video_pump(struct uvc_video *video)
/* Retrieve the first available video buffer and fill the
* request, protected by the video queue irqlock.
*/
spin_lock_irqsave(&video->queue.irqlock, flags);
buf = uvcg_queue_head(&video->queue);
spin_lock_irqsave(&queue->irqlock, flags);
buf = uvcg_queue_head(queue);
if (buf == NULL) {
spin_unlock_irqrestore(&video->queue.irqlock, flags);
spin_unlock_irqrestore(&queue->irqlock, flags);
break;
}
@ -323,11 +323,11 @@ int uvcg_video_pump(struct uvc_video *video)
if (ret < 0) {
printk(KERN_INFO "Failed to queue request (%d)\n", ret);
usb_ep_set_halt(video->ep);
spin_unlock_irqrestore(&video->queue.irqlock, flags);
spin_unlock_irqrestore(&queue->irqlock, flags);
uvcg_queue_cancel(queue, 0);
break;
}
spin_unlock_irqrestore(&video->queue.irqlock, flags);
spin_unlock_irqrestore(&queue->irqlock, flags);
}
spin_lock_irqsave(&video->req_lock, flags);