1 files changed, 2 insertions, 1 deletions

diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index 922263393c76..57878bd94411 100644
--- a/fs/nilfs2/super.c
+++ b/fs/nilfs2/super.c
@@ -733,7 +733,8 @@ static int nilfs_setup_super(struct nilfs_sb_info *sbi)
                 cpu_to_le16(le16_to_cpu(sbp[0]->s_state) & ~NILFS_VALID_FS);
         sbp[0]->s_mtime = cpu_to_le64(get_seconds());
         /* synchronize sbp[1] with sbp[0] */
-        memcpy(sbp[1], sbp[0], nilfs->ns_sbsize);
+        if (sbp[1])
+                memcpy(sbp[1], sbp[0], nilfs->ns_sbsize);
         return nilfs_commit_super(sbi, NILFS_SB_COMMIT_ALL);
 }