diff options
| author | Andy Walls <awalls@radix.net> | 2008-12-14 21:05:36 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2008-12-30 09:39:08 -0200 |
| commit | f6b181ac3bda7aab227e9ee3148bc9b7f1889c57 (patch) | |
| tree | 1d4c3d1e0f4b17d469af7c46141b45f41853c2d2 /drivers/media/video/cx18/cx18-queue.c | |
| parent | aafc77066f4cc8b6de4af1a7d643c9646e19bad9 (diff) | |
V4L/DVB (9893): cx18: Convert some list manipulations to emphasize entries not lists
Signed-off-by: Andy Walls <awalls@radix.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/cx18/cx18-queue.c')
| -rw-r--r-- | drivers/media/video/cx18/cx18-queue.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/media/video/cx18/cx18-queue.c b/drivers/media/video/cx18/cx18-queue.c index 2c58b0c478c0..8d9441e88c4e 100644 --- a/drivers/media/video/cx18/cx18-queue.c +++ b/drivers/media/video/cx18/cx18-queue.c @@ -77,8 +77,8 @@ struct cx18_buffer *cx18_dequeue(struct cx18_stream *s, struct cx18_queue *q) mutex_lock(&s->qlock); if (!list_empty(&q->list)) { - buf = list_entry(q->list.next, struct cx18_buffer, list); - list_del_init(q->list.next); + buf = list_first_entry(&q->list, struct cx18_buffer, list); + list_del_init(&buf->list); q->bytesused -= buf->bytesused - buf->readpos; buf->skipped = 0; atomic_dec(&q->buffers); @@ -92,13 +92,11 @@ struct cx18_buffer *cx18_queue_get_buf(struct cx18_stream *s, u32 id, { struct cx18 *cx = s->cx; struct cx18_buffer *buf; + struct cx18_buffer *tmp; struct cx18_buffer *ret = NULL; - struct list_head *p, *t; mutex_lock(&s->qlock); - list_for_each_safe(p, t, &s->q_busy.list) { - buf = list_entry(p, struct cx18_buffer, list); - + list_for_each_entry_safe(buf, tmp, &s->q_busy.list, list) { if (buf->id != id) { buf->skipped++; if (buf->skipped >= atomic_read(&s->q_busy.buffers)-1) { @@ -152,8 +150,8 @@ static void cx18_queue_flush(struct cx18_stream *s, struct cx18_queue *q) mutex_lock(&s->qlock); while (!list_empty(&q->list)) { - buf = list_entry(q->list.next, struct cx18_buffer, list); - list_move_tail(q->list.next, &s->q_free.list); + buf = list_first_entry(&q->list, struct cx18_buffer, list); + list_move_tail(&buf->list, &s->q_free.list); buf->bytesused = buf->readpos = buf->b_flags = buf->skipped = 0; atomic_inc(&s->q_free.buffers); } |