136 	size_t split;  in dvb_ringbuffer_read_user()  local
138 	split = (rbuf->pread + len > rbuf->size) ? rbuf->size - rbuf->pread : 0;  in dvb_ringbuffer_read_user()
139 	if (split > 0) {  in dvb_ringbuffer_read_user()
140 		if (copy_to_user(buf, rbuf->data+rbuf->pread, split))  in dvb_ringbuffer_read_user()
142 		buf += split;  in dvb_ringbuffer_read_user()
143 		todo -= split;  in dvb_ringbuffer_read_user()
162 	size_t split;  in dvb_ringbuffer_read()  local
164 	split = (rbuf->pread + len > rbuf->size) ? rbuf->size - rbuf->pread : 0;  in dvb_ringbuffer_read()
165 	if (split > 0) {  in dvb_ringbuffer_read()
166 		memcpy(buf, rbuf->data+rbuf->pread, split);  in dvb_ringbuffer_read()
167 		buf += split;  in dvb_ringbuffer_read()
168 		todo -= split;  in dvb_ringbuffer_read()
185 	size_t split;  in dvb_ringbuffer_write()  local
187 	split = (rbuf->pwrite + len > rbuf->size) ? rbuf->size - rbuf->pwrite : 0;  in dvb_ringbuffer_write()
189 	if (split > 0) {  in dvb_ringbuffer_write()
190 		memcpy(rbuf->data+rbuf->pwrite, buf, split);  in dvb_ringbuffer_write()
191 		buf += split;  in dvb_ringbuffer_write()
192 		todo -= split;  in dvb_ringbuffer_write()
212 	size_t split;  in dvb_ringbuffer_write_user()  local
214 	split = (rbuf->pwrite + len > rbuf->size) ? rbuf->size - rbuf->pwrite : 0;  in dvb_ringbuffer_write_user()
216 	if (split > 0) {  in dvb_ringbuffer_write_user()
217 		status = copy_from_user(rbuf->data+rbuf->pwrite, buf, split);  in dvb_ringbuffer_write_user()
220 		buf += split;  in dvb_ringbuffer_write_user()
221 		todo -= split;  in dvb_ringbuffer_write_user()
256 	size_t split;  in dvb_ringbuffer_pkt_read_user()  local
266 	split = ((idx + len) > rbuf->size) ? rbuf->size - idx : 0;  in dvb_ringbuffer_pkt_read_user()
267 	if (split > 0) {  in dvb_ringbuffer_pkt_read_user()
268 		if (copy_to_user(buf, rbuf->data+idx, split))  in dvb_ringbuffer_pkt_read_user()
270 		buf += split;  in dvb_ringbuffer_pkt_read_user()
271 		todo -= split;  in dvb_ringbuffer_pkt_read_user()
284 	size_t split;  in dvb_ringbuffer_pkt_read()  local
294 	split = ((idx + len) > rbuf->size) ? rbuf->size - idx : 0;  in dvb_ringbuffer_pkt_read()
295 	if (split > 0) {  in dvb_ringbuffer_pkt_read()
296 		memcpy(buf, rbuf->data+idx, split);  in dvb_ringbuffer_pkt_read()
297 		buf += split;  in dvb_ringbuffer_pkt_read()
298 		todo -= split;  in dvb_ringbuffer_pkt_read()