1 files changed, 5 insertions, 3 deletions

diff --git a/drivers/media/video/cx18/cx18-streams.c b/drivers/media/video/cx18/cx18-streams.c
index bbeb01c5cf32..e1934e9cfdc8 100644
--- a/drivers/media/video/cx18/cx18-streams.c
+++ b/drivers/media/video/cx18/cx18-streams.c
@@ -116,11 +116,13 @@ static void cx18_stream_init(struct cx18 *cx, int type)
         s->buffers = cx->stream_buffers[type];
         s->buf_size = cx->stream_buf_size[type];
 
-        mutex_init(&s->qlock);
         init_waitqueue_head(&s->waitq);
         s->id = -1;
+        spin_lock_init(&s->q_free.lock);
         cx18_queue_init(&s->q_free);
+        spin_lock_init(&s->q_busy.lock);
         cx18_queue_init(&s->q_busy);
+        spin_lock_init(&s->q_full.lock);
         cx18_queue_init(&s->q_full);
 }
 
@@ -685,13 +687,13 @@ int cx18_start_v4l2_encode_stream(struct cx18_stream *s)
 
         /* Init all the cpu_mdls for this stream */
         cx18_flush_queues(s);
-        mutex_lock(&s->qlock);
+        spin_lock(&s->q_free.lock);
         list_for_each_entry(buf, &s->q_free.list, list) {
                 cx18_writel(cx, buf->dma_handle,
                                         &cx->scb->cpu_mdl[buf->id].paddr);
                 cx18_writel(cx, s->buf_size, &cx->scb->cpu_mdl[buf->id].length);
         }
-        mutex_unlock(&s->qlock);
+        spin_unlock(&s->q_free.lock);
         _cx18_stream_load_fw_queue(s);
 
         /* begin_capture */