criu/proc_parse: refactor the eventpoll parser

Eventpollentry's fields are set only when ret == 3 or ret == 6. The
remaining cases can be grouped together to an error

Signed-off-by: Taemin Ha <[email protected]>
Signed-off-by: Andrei Vagin <[email protected]>

Author: Taemin Ha

criu/proc_parse.c

@@ -1972,18 +1972,15 @@ static int parse_fdinfo_pid_s(int pid, int fd, int type, void *arg)
 				     " pos:%lli ino:%lx sdev:%x",
 				     &e->tfd, &e->events, (long long *)&e->data, (long long *)&e->pos,
 				     (long *)&e->inode, &e->dev);
-			if (ret < 3 || ret > 6) {
-				eventpoll_tfd_entry__free_unpacked(e, NULL);
-				goto parse_err;
-			} else if (ret == 3) {
+			if (ret == 3) {
 				e->has_dev = false;
 				e->has_inode = false;
 				e->has_pos = false;
 			} else if (ret == 6) {
 				e->has_dev = true;
 				e->has_inode = true;
 				e->has_pos = true;
-			} else if (ret < 6) {
+			} else {
 				eventpoll_tfd_entry__free_unpacked(e, NULL);
 				goto parse_err;
 			}