Lines Matching refs:rd_index
75 unsigned int rd_index;
159 if (s->rd_index == s->wr_index) {
167 for (i = s->rd_index; i < s->rd_index + 3; i++)
171 if (copy_to_user(user_buf, &s->buffer[s->rd_index], 3))
174 s->rd_index += 3;
175 if (s->rd_index >= s->buf_size)
176 s->rd_index = 0;
245 if (s->wr_index == s->rd_index) {
246 s->rd_index += 3;
247 if (s->rd_index >= s->buf_size)
248 s->rd_index = 0;
498 s->rd_index = 0;