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-rw-r--r--drivers/media/video/stk-webcam.c23
1 files changed, 12 insertions, 11 deletions
diff --git a/drivers/media/video/stk-webcam.c b/drivers/media/video/stk-webcam.c
index 8aa56fe..a8a7276 100644
--- a/drivers/media/video/stk-webcam.c
+++ b/drivers/media/video/stk-webcam.c
@@ -445,18 +445,19 @@ static void stk_isoc_handler(struct urb *urb)
fb->v4lbuf.bytesused = 0;
fill = fb->buffer;
} else if (fb->v4lbuf.bytesused == dev->frame_size) {
- list_move_tail(dev->sio_avail.next,
- &dev->sio_full);
- wake_up(&dev->wait_frame);
- if (list_empty(&dev->sio_avail)) {
- (void) (printk_ratelimit() &&
- STK_ERROR("No buffer available\n"));
- goto resubmit;
+ if (list_is_singular(&dev->sio_avail)) {
+ /* Always reuse the last buffer */
+ fb->v4lbuf.bytesused = 0;
+ fill = fb->buffer;
+ } else {
+ list_move_tail(dev->sio_avail.next,
+ &dev->sio_full);
+ wake_up(&dev->wait_frame);
+ fb = list_first_entry(&dev->sio_avail,
+ struct stk_sio_buffer, list);
+ fb->v4lbuf.bytesused = 0;
+ fill = fb->buffer;
}
- fb = list_first_entry(&dev->sio_avail,
- struct stk_sio_buffer, list);
- fb->v4lbuf.bytesused = 0;
- fill = fb->buffer;
}
} else {
framelen -= 4;