prb_read_valid_info
if (!prb_read_valid_info(prb, syslog_seq, &info, NULL)) {
if (!prb_read_valid_info(prb, iter->cur_seq,
if (prb_read_valid_info(prb, iter->cur_seq, &info, NULL)) {
if (prb_read_valid_info(prb, atomic64_read(&user->seq), &info, NULL)) {
for ((s) = from; prb_read_valid_info(rb, s, i, lc); (s) = (i)->seq + 1)
bool prb_read_valid_info(struct printk_ringbuffer *rb, u64 seq,