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authorIngo Molnar <mingo@kernel.org>2012-04-25 08:59:16 +0200
committerIngo Molnar <mingo@kernel.org>2012-04-25 08:59:16 +0200
commit3dbe927b1eddcbd66da1653168e33122aca84f4e (patch)
tree2357f4c55156597b1d07b9ea360b07086cd011e4 /drivers/usb/gadget/uvc_queue.c
parentMerge tag 'v3.4-rc2' into perf/core (diff)
parentLinux 3.4-rc4 (diff)
downloadlinux-dev-3dbe927b1eddcbd66da1653168e33122aca84f4e.tar.xz
linux-dev-3dbe927b1eddcbd66da1653168e33122aca84f4e.zip
Merge tag 'v3.4-rc4' into perf/core
Merge v3.4-rc4 - we were on -rc2 before. Signed-off-by: Ingo Molnar <mingo@kernel.org>
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 d776adb2da67..0cdf89d32a15 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);