MDEV-14997 mariabackup crashes with invalid --innodb-flush-method

Avoid NULL pointer dereference when shutting down after invalid parameters were parsed.
MariaDB · Feb 15, 2018 · a08121c · a08121c
1 parent 5ab4602
commit a08121c
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/extra/mariabackup/xtrabackup.cc b/extra/mariabackup/xtrabackup.cc
@@ -3569,7 +3569,9 @@ xtrabackup_backup_func()
         if(innodb_init_param()) {
 fail:
 		stop_backup_threads();
-		innodb_shutdown();
+		if (fil_system) {
+			innodb_shutdown();
+		}
 		return(false);
 	}