800 	struct ftrace_iterator *iter = m->private;  in t_next()  local
808 	if (iter->idx >= iter->pg->index) {  in t_next()
809 		if (iter->pg->next) {  in t_next()
810 			iter->pg = iter->pg->next;  in t_next()
811 			iter->idx = 0;  in t_next()
814 			iter->idx = -1;  in t_next()
817 		rec = &iter->pg->records[iter->idx++];  in t_next()
820 		    (!(iter->flags & FTRACE_ITER_FAILURES) &&  in t_next()
823 		    ((iter->flags & FTRACE_ITER_FAILURES) &&  in t_next()
826 		    ((iter->flags & FTRACE_ITER_FILTER) &&  in t_next()
829 		    ((iter->flags & FTRACE_ITER_NOTRACE) &&  in t_next()
842 	struct ftrace_iterator *iter = m->private;  in t_start()  local
846 		if (iter->idx < 0)  in t_start()
849 		iter->idx--;  in t_start()
886 	struct ftrace_iterator *iter;  in ftrace_avail_open()  local
892 	iter = kzalloc(sizeof(*iter), GFP_KERNEL);  in ftrace_avail_open()
893 	if (!iter)  in ftrace_avail_open()
896 	iter->pg = ftrace_pages_start;  in ftrace_avail_open()
902 		m->private = iter;  in ftrace_avail_open()
904 		kfree(iter);  in ftrace_avail_open()
913 	struct ftrace_iterator *iter = m->private;  in ftrace_avail_release()  local
916 	kfree(iter);  in ftrace_avail_release()
926 	struct ftrace_iterator *iter;  in ftrace_failures_open()  local
931 		iter = (struct ftrace_iterator *)m->private;  in ftrace_failures_open()
932 		iter->flags = FTRACE_ITER_FAILURES;  in ftrace_failures_open()
966 	struct ftrace_iterator *iter;  in ftrace_regex_open()  local
972 	iter = kzalloc(sizeof(*iter), GFP_KERNEL);  in ftrace_regex_open()
973 	if (!iter)  in ftrace_regex_open()
982 		iter->pg = ftrace_pages_start;  in ftrace_regex_open()
983 		iter->flags = enable ? FTRACE_ITER_FILTER :  in ftrace_regex_open()
989 			m->private = iter;  in ftrace_regex_open()
991 			kfree(iter);  in ftrace_regex_open()
993 		file->private_data = iter;  in ftrace_regex_open()
1127 	struct ftrace_iterator *iter;  in ftrace_regex_write()  local
1139 		iter = m->private;  in ftrace_regex_write()
1141 		iter = file->private_data;  in ftrace_regex_write()
1144 		iter->flags &= ~FTRACE_ITER_CONT;  in ftrace_regex_write()
1145 		iter->buffer_idx = 0;  in ftrace_regex_write()
1154 	if (!(iter->flags & ~FTRACE_ITER_CONT)) {  in ftrace_regex_write()
1170 		iter->buffer_idx = 0;  in ftrace_regex_write()
1174 		if (iter->buffer_idx < FTRACE_BUFF_MAX)  in ftrace_regex_write()
1175 			iter->buffer[iter->buffer_idx++] = ch;  in ftrace_regex_write()
1188 		iter->filtered++;  in ftrace_regex_write()
1189 		iter->buffer[iter->buffer_idx] = 0;  in ftrace_regex_write()
1190 		ftrace_match(iter->buffer, iter->buffer_idx, enable);  in ftrace_regex_write()
1191 		iter->buffer_idx = 0;  in ftrace_regex_write()
1193 		iter->flags |= FTRACE_ITER_CONT;  in ftrace_regex_write()
1266 	struct ftrace_iterator *iter;  in ftrace_regex_release()  local
1270 		iter = m->private;  in ftrace_regex_release()
1274 		iter = file->private_data;  in ftrace_regex_release()
1276 	if (iter->buffer_idx) {  in ftrace_regex_release()
1277 		iter->filtered++;  in ftrace_regex_release()
1278 		iter->buffer[iter->buffer_idx] = 0;  in ftrace_regex_release()
1279 		ftrace_match(iter->buffer, iter->buffer_idx, enable);  in ftrace_regex_release()
1289 	kfree(iter);  in ftrace_regex_release()