From: Andreas Oberritter <obi@xxxxxxxxxxx>
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@xxxxxxxxxxx>
---
A patch to make dmxdev use dvb_ringbuffer will follow.
diff -r 427667c87c7b linux/drivers/media/dvb/dvb-core/dvb_ringbuffer.c
--- a/linux/drivers/media/dvb/dvb-core/dvb_ringbuffer.c Sun Mar 12 00:03:47 2006 -0300
+++ b/linux/drivers/media/dvb/dvb-core/dvb_ringbuffer.c Mon Mar 13 16:02:46 2006 +0100
@@ -45,6 +45,7 @@ void dvb_ringbuffer_init(struct dvb_ring
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_
void dvb_ringbuffer_flush(struct dvb_ringbuffer *rbuf)
{
- rbuf->pread = rbuf->pwrite;
+ rbuf->pread = rbuf->pwrite = 0;
+ rbuf->error = 0;
}
diff -r 427667c87c7b linux/drivers/media/dvb/dvb-core/dvb_ringbuffer.h
--- a/linux/drivers/media/dvb/dvb-core/dvb_ringbuffer.h Sun Mar 12 00:03:47 2006 -0300
+++ b/linux/drivers/media/dvb/dvb-core/dvb_ringbuffer.h Mon Mar 13 16:02:46 2006 +0100
@@ -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;
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