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Diffstat (limited to 'drivers/media/dvb-core/dvb_ringbuffer.h')
-rw-r--r--drivers/media/dvb-core/dvb_ringbuffer.h15
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/media/dvb-core/dvb_ringbuffer.h b/drivers/media/dvb-core/dvb_ringbuffer.h
index 3ebc2d34b4a2..8af642399f1e 100644
--- a/drivers/media/dvb-core/dvb_ringbuffer.h
+++ b/drivers/media/dvb-core/dvb_ringbuffer.h
@@ -150,9 +150,6 @@ extern ssize_t dvb_ringbuffer_pkt_write(struct dvb_ringbuffer *rbuf, u8* buf,
150 150
151/** 151/**
152 * dvb_ringbuffer_pkt_read_user - Read from a packet in the ringbuffer. 152 * dvb_ringbuffer_pkt_read_user - Read from a packet in the ringbuffer.
153 * Note: unlike dvb_ringbuffer_read(), this does NOT update the read pointer
154 * in the ringbuffer. You must use dvb_ringbuffer_pkt_dispose() to mark a
155 * packet as no longer required.
156 * 153 *
157 * @rbuf: Ringbuffer concerned. 154 * @rbuf: Ringbuffer concerned.
158 * @idx: Packet index as returned by dvb_ringbuffer_pkt_next(). 155 * @idx: Packet index as returned by dvb_ringbuffer_pkt_next().
@@ -161,9 +158,17 @@ extern ssize_t dvb_ringbuffer_pkt_write(struct dvb_ringbuffer *rbuf, u8* buf,
161 * @len: Size of destination buffer. 158 * @len: Size of destination buffer.
162 * 159 *
163 * returns Number of bytes read, or -EFAULT. 160 * returns Number of bytes read, or -EFAULT.
161 *
162 * .. note::
163 *
164 * unlike dvb_ringbuffer_read(), this does **NOT** update the read pointer
165 * in the ringbuffer. You must use dvb_ringbuffer_pkt_dispose() to mark a
166 * packet as no longer required.
164 */ 167 */
165extern ssize_t dvb_ringbuffer_pkt_read_user(struct dvb_ringbuffer *rbuf, size_t idx, 168extern ssize_t dvb_ringbuffer_pkt_read_user(struct dvb_ringbuffer *rbuf,
166 int offset, u8 __user *buf, size_t len); 169 size_t idx,
170 int offset, u8 __user *buf,
171 size_t len);
167 172
168/** 173/**
169 * dvb_ringbuffer_pkt_read - Read from a packet in the ringbuffer. 174 * dvb_ringbuffer_pkt_read - Read from a packet in the ringbuffer.