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authorAndy Walls <awalls@radix.net>2008-12-14 21:05:36 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2008-12-30 09:39:08 -0200
commitf6b181ac3bda7aab227e9ee3148bc9b7f1889c57 (patch)
tree1d4c3d1e0f4b17d469af7c46141b45f41853c2d2 /drivers/media/video/cx18/cx18-queue.c
parentaafc77066f4cc8b6de4af1a7d643c9646e19bad9 (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.c14
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 2c58b0c478c..8d9441e88c4 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);
}