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-rw-r--r--drivers/md/dm-thin-metadata.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c
index 934b3fc7bfc9..9f7c1e01dda2 100644
--- a/drivers/md/dm-thin-metadata.c
+++ b/drivers/md/dm-thin-metadata.c
@@ -455,6 +455,7 @@ static int __write_initial_superblock(struct dm_pool_metadata *pmd)
disk_super = dm_block_data(sblock);
disk_super->flags = 0;
+ memset(disk_super->uuid, 0, sizeof(disk_super->uuid));
disk_super->magic = cpu_to_le64(THIN_SUPERBLOCK_MAGIC);
disk_super->version = cpu_to_le32(THIN_VERSION);
disk_super->time = 0;