dvb_ringbuffer_pkt_read_user 1657 drivers/media/dvb-core/dvb_ca_en50221.c 				   dvb_ringbuffer_pkt_read_user(&sl->rx_buffer,
dvb_ringbuffer_pkt_read_user  239 include/media/dvb_ringbuffer.h extern ssize_t dvb_ringbuffer_pkt_read_user(struct dvb_ringbuffer *rbuf,