From d6b7738dcce85b83282fdab6702ac0b5985666d3 Mon Sep 17 00:00:00 2001
From: Vladislav Vaintroub <wlad@mariadb.com>
Date: Wed, 1 Sep 2021 18:21:34 +0200
Subject: [PATCH] Fix potential null pointer access after the allocation error

---
 extra/mariabackup/backup_copy.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/extra/mariabackup/backup_copy.cc b/extra/mariabackup/backup_copy.cc
index 5637ec3d4d7..c46c32213d6 100644
--- a/extra/mariabackup/backup_copy.cc
+++ b/extra/mariabackup/backup_copy.cc
@@ -196,6 +196,8 @@ datadir_iter_new(const char *path, bool skip_first_level = true)
 	datadir_iter_t *it;
 
 	it = static_cast<datadir_iter_t *>(malloc(sizeof(datadir_iter_t)));
+	if (!it)
+		goto error;
 	memset(it, 0, sizeof(datadir_iter_t));
 
 	pthread_mutex_init(&it->mutex, NULL);