diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 3e58f952eddc..55772b2d05ee 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -3401,10 +3401,10 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
 	unsigned int journal_ioprio = DEFAULT_JOURNAL_IOPRIO;
 	ext4_group_t first_not_zeroed;
 
-	sbi->s_daxdev = dax_dev;
 	if ((data && !orig_data) || !sbi)
 		goto out_free_base;
 
+	sbi->s_daxdev = dax_dev;
 	sbi->s_blockgroup_lock =
 		kzalloc(sizeof(struct blockgroup_lock), GFP_KERNEL);
 	if (!sbi->s_blockgroup_lock)