diff options
Diffstat (limited to 'drivers/media/video/cx18/cx18-queue.c')
| -rw-r--r-- | drivers/media/video/cx18/cx18-queue.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/media/video/cx18/cx18-queue.c b/drivers/media/video/cx18/cx18-queue.c index 4f3bd43ba80..a33ba04a268 100644 --- a/drivers/media/video/cx18/cx18-queue.c +++ b/drivers/media/video/cx18/cx18-queue.c @@ -37,7 +37,7 @@ void cx18_buf_swap(struct cx18_buffer *buf) void cx18_queue_init(struct cx18_queue *q) { INIT_LIST_HEAD(&q->list); - q->buffers = 0; + atomic_set(&q->buffers, 0); q->bytesused = 0; } @@ -54,7 +54,7 @@ void cx18_enqueue(struct cx18_stream *s, struct cx18_buffer *buf, } spin_lock_irqsave(&s->qlock, flags); list_add_tail(&buf->list, &q->list); - q->buffers++; + atomic_inc(&q->buffers); q->bytesused += buf->bytesused - buf->readpos; spin_unlock_irqrestore(&s->qlock, flags); } @@ -68,7 +68,7 @@ struct cx18_buffer *cx18_dequeue(struct cx18_stream *s, struct cx18_queue *q) if (!list_empty(&q->list)) { buf = list_entry(q->list.next, struct cx18_buffer, list); list_del_init(q->list.next); - q->buffers--; + atomic_dec(&q->buffers); q->bytesused -= buf->bytesused - buf->readpos; } spin_unlock_irqrestore(&s->qlock, flags); @@ -92,8 +92,8 @@ struct cx18_buffer *cx18_queue_get_buf_irq(struct cx18_stream *s, u32 id, /* the transport buffers are handled differently, they are not moved to the full queue */ if (s->type != CX18_ENC_STREAM_TYPE_TS) { - s->q_free.buffers--; - s->q_full.buffers++; + atomic_dec(&s->q_free.buffers); + atomic_inc(&s->q_full.buffers); s->q_full.bytesused += buf->bytesused; list_move_tail(&buf->list, &s->q_full.list); } @@ -119,7 +119,7 @@ static void cx18_queue_flush(struct cx18_stream *s, struct cx18_queue *q) buf = list_entry(q->list.next, struct cx18_buffer, list); list_move_tail(q->list.next, &s->q_free.list); buf->bytesused = buf->readpos = buf->b_flags = 0; - s->q_free.buffers++; + atomic_inc(&s->q_free.buffers); } cx18_queue_init(q); spin_unlock_irqrestore(&s->qlock, flags); |