diff options
| author | Andreas Oberritter <obi@linuxtv.org> | 2006-03-13 13:14:34 -0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-21 08:53:17 -0800 |
| commit | 9d9d6baeca6f9174b8e7fd219a62a8fa09d61cc7 (patch) | |
| tree | d98ceaf625ca9b16536b641476c9fc93177bd79b | |
| parent | fc34f165317403444d254a27bc356dc5de0bbc3d (diff) | |
| download | lwn-9d9d6baeca6f9174b8e7fd219a62a8fa09d61cc7.tar.gz lwn-9d9d6baeca6f9174b8e7fd219a62a8fa09d61cc7.zip | |
V4L/DVB (3484): Make dvb_ringbuffer compatible to dmxdev_buffer
Added variable 'error' to struct dvb_ringbuffer, which is set to zero on
init() and flush(). Also reset read an write pointers to zero on flush()
to get less fragmented data.
Signed-off-by: Andreas Oberritter <obi@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
| -rw-r--r-- | drivers/media/dvb/dvb-core/dvb_ringbuffer.c | 4 | ||||
| -rw-r--r-- | drivers/media/dvb/dvb-core/dvb_ringbuffer.h | 1 |
2 files changed, 4 insertions, 1 deletions
diff --git a/drivers/media/dvb/dvb-core/dvb_ringbuffer.c b/drivers/media/dvb/dvb-core/dvb_ringbuffer.c index 77ad2410f4d3..f233248358c4 100644 --- a/drivers/media/dvb/dvb-core/dvb_ringbuffer.c +++ b/drivers/media/dvb/dvb-core/dvb_ringbuffer.c @@ -45,6 +45,7 @@ void dvb_ringbuffer_init(struct dvb_ringbuffer *rbuf, void *data, size_t len) rbuf->pread=rbuf->pwrite=0; rbuf->data=data; rbuf->size=len; + rbuf->error=0; init_waitqueue_head(&rbuf->queue); @@ -86,7 +87,8 @@ ssize_t dvb_ringbuffer_avail(struct dvb_ringbuffer *rbuf) void dvb_ringbuffer_flush(struct dvb_ringbuffer *rbuf) { - rbuf->pread = rbuf->pwrite; + rbuf->pread = rbuf->pwrite = 0; + rbuf->error = 0; } diff --git a/drivers/media/dvb/dvb-core/dvb_ringbuffer.h b/drivers/media/dvb/dvb-core/dvb_ringbuffer.h index 6d2560972771..d97714e75736 100644 --- a/drivers/media/dvb/dvb-core/dvb_ringbuffer.h +++ b/drivers/media/dvb/dvb-core/dvb_ringbuffer.h @@ -35,6 +35,7 @@ struct dvb_ringbuffer { ssize_t size; ssize_t pread; ssize_t pwrite; + int error; wait_queue_head_t queue; spinlock_t lock; |