Lines Matching refs:rd_index
82 unsigned int rd_index;
163 if (s->rd_index == s->wr_index) {
171 for (i = s->rd_index; i < s->rd_index + 3; i++)
175 if (copy_to_user(user_buf, &s->buffer[s->rd_index], 3))
178 s->rd_index += 3;
179 if (s->rd_index >= s->buf_size)
180 s->rd_index = 0;
249 if (s->wr_index == s->rd_index) {
250 s->rd_index += 3;
251 if (s->rd_index >= s->buf_size)
252 s->rd_index = 0;
412 s->rd_index = 0;