diff options
Diffstat (limited to 'drivers/media/dvb-core/dvb_ringbuffer.c')
| -rw-r--r-- | drivers/media/dvb-core/dvb_ringbuffer.c | 36 |
1 files changed, 21 insertions, 15 deletions
diff --git a/drivers/media/dvb-core/dvb_ringbuffer.c b/drivers/media/dvb-core/dvb_ringbuffer.c index 7d4558de8e83..de6226556826 100644 --- a/drivers/media/dvb-core/dvb_ringbuffer.c +++ b/drivers/media/dvb-core/dvb_ringbuffer.c @@ -37,10 +37,11 @@ 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; + rbuf->pread = 0; + rbuf->pwrite = 0; + rbuf->data = data; + rbuf->size = len; + rbuf->error = 0; init_waitqueue_head(&rbuf->queue); @@ -235,7 +236,7 @@ ssize_t dvb_ringbuffer_write_user(struct dvb_ringbuffer *rbuf, return len; } -ssize_t dvb_ringbuffer_pkt_write(struct dvb_ringbuffer *rbuf, u8* buf, size_t len) +ssize_t dvb_ringbuffer_pkt_write(struct dvb_ringbuffer *rbuf, u8 *buf, size_t len) { int status; ssize_t oldpwrite = rbuf->pwrite; @@ -245,7 +246,8 @@ ssize_t dvb_ringbuffer_pkt_write(struct dvb_ringbuffer *rbuf, u8* buf, size_t le DVB_RINGBUFFER_WRITE_BYTE(rbuf, PKT_READY); status = dvb_ringbuffer_write(rbuf, buf, len); - if (status < 0) rbuf->pwrite = oldpwrite; + if (status < 0) + rbuf->pwrite = oldpwrite; return status; } @@ -258,8 +260,10 @@ ssize_t dvb_ringbuffer_pkt_read_user(struct dvb_ringbuffer *rbuf, size_t idx, pktlen = rbuf->data[idx] << 8; pktlen |= rbuf->data[(idx + 1) % rbuf->size]; - if (offset > pktlen) return -EINVAL; - if ((offset + len) > pktlen) len = pktlen - offset; + if (offset > pktlen) + return -EINVAL; + if ((offset + len) > pktlen) + len = pktlen - offset; idx = (idx + DVB_RINGBUFFER_PKTHDRSIZE + offset) % rbuf->size; todo = len; @@ -278,7 +282,7 @@ ssize_t dvb_ringbuffer_pkt_read_user(struct dvb_ringbuffer *rbuf, size_t idx, } ssize_t dvb_ringbuffer_pkt_read(struct dvb_ringbuffer *rbuf, size_t idx, - int offset, u8* buf, size_t len) + int offset, u8 *buf, size_t len) { size_t todo; size_t split; @@ -286,8 +290,10 @@ ssize_t dvb_ringbuffer_pkt_read(struct dvb_ringbuffer *rbuf, size_t idx, pktlen = rbuf->data[idx] << 8; pktlen |= rbuf->data[(idx + 1) % rbuf->size]; - if (offset > pktlen) return -EINVAL; - if ((offset + len) > pktlen) len = pktlen - offset; + if (offset > pktlen) + return -EINVAL; + if ((offset + len) > pktlen) + len = pktlen - offset; idx = (idx + DVB_RINGBUFFER_PKTHDRSIZE + offset) % rbuf->size; todo = len; @@ -309,7 +315,7 @@ void dvb_ringbuffer_pkt_dispose(struct dvb_ringbuffer *rbuf, size_t idx) rbuf->data[(idx + 2) % rbuf->size] = PKT_DISPOSED; // clean up disposed packets - while(dvb_ringbuffer_avail(rbuf) > DVB_RINGBUFFER_PKTHDRSIZE) { + while (dvb_ringbuffer_avail(rbuf) > DVB_RINGBUFFER_PKTHDRSIZE) { if (DVB_RINGBUFFER_PEEK(rbuf, 2) == PKT_DISPOSED) { pktlen = DVB_RINGBUFFER_PEEK(rbuf, 0) << 8; pktlen |= DVB_RINGBUFFER_PEEK(rbuf, 1); @@ -321,14 +327,14 @@ void dvb_ringbuffer_pkt_dispose(struct dvb_ringbuffer *rbuf, size_t idx) } } -ssize_t dvb_ringbuffer_pkt_next(struct dvb_ringbuffer *rbuf, size_t idx, size_t* pktlen) +ssize_t dvb_ringbuffer_pkt_next(struct dvb_ringbuffer *rbuf, size_t idx, size_t *pktlen) { int consumed; int curpktlen; int curpktstatus; if (idx == -1) { - idx = rbuf->pread; + idx = rbuf->pread; } else { curpktlen = rbuf->data[idx] << 8; curpktlen |= rbuf->data[(idx + 1) % rbuf->size]; @@ -339,7 +345,7 @@ ssize_t dvb_ringbuffer_pkt_next(struct dvb_ringbuffer *rbuf, size_t idx, size_t* if (consumed < 0) consumed += rbuf->size; - while((dvb_ringbuffer_avail(rbuf) - consumed) > DVB_RINGBUFFER_PKTHDRSIZE) { + while ((dvb_ringbuffer_avail(rbuf) - consumed) > DVB_RINGBUFFER_PKTHDRSIZE) { curpktlen = rbuf->data[idx] << 8; curpktlen |= rbuf->data[(idx + 1) % rbuf->size]; |
