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authorStefan Richter <stefanr@s5r6.in-berlin.de>2012-05-21 21:39:42 +0200
committerStefan Richter <stefanr@s5r6.in-berlin.de>2012-05-21 21:39:42 +0200
commit0ad8c6a22d03a1598f7cc6585c65354dadca62ad (patch)
tree1507deef3d55d5f3c71b2f76924fe1f6c6211905 /drivers/usb/gadget/uvc_queue.c
parent8527f8e2934683e53405fbe876a4e6f4a0c46eb8 (diff)
parent76e10d158efb6d4516018846f60c2ab5501900bc (diff)
Merge tag 'v3.4' with SCSI updates, needed for subsequent firewire-sbp2 changes
Linux 3.4
Diffstat (limited to 'drivers/usb/gadget/uvc_queue.c')
-rw-r--r--drivers/usb/gadget/uvc_queue.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/usb/gadget/uvc_queue.c b/drivers/usb/gadget/uvc_queue.c
index d776adb2da6..0cdf89d32a1 100644
--- a/drivers/usb/gadget/uvc_queue.c
+++ b/drivers/usb/gadget/uvc_queue.c
@@ -543,11 +543,11 @@ done:
return ret;
}
+/* called with queue->irqlock held.. */
static struct uvc_buffer *
uvc_queue_next_buffer(struct uvc_video_queue *queue, struct uvc_buffer *buf)
{
struct uvc_buffer *nextbuf;
- unsigned long flags;
if ((queue->flags & UVC_QUEUE_DROP_INCOMPLETE) &&
buf->buf.length != buf->buf.bytesused) {
@@ -556,14 +556,12 @@ uvc_queue_next_buffer(struct uvc_video_queue *queue, struct uvc_buffer *buf)
return buf;
}
- spin_lock_irqsave(&queue->irqlock, flags);
list_del(&buf->queue);
if (!list_empty(&queue->irqqueue))
nextbuf = list_first_entry(&queue->irqqueue, struct uvc_buffer,
queue);
else
nextbuf = NULL;
- spin_unlock_irqrestore(&queue->irqlock, flags);
buf->buf.sequence = queue->sequence++;
do_gettimeofday(&buf->buf.timestamp);