1 files changed, 5 insertions, 1 deletions

diff --git a/fs/fat/namei_msdos.c b/fs/fat/namei_msdos.c
index bbc94ae4fd77..bbca5c186ae7 100644
--- a/fs/fat/namei_msdos.c
+++ b/fs/fat/namei_msdos.c
@@ -662,12 +662,16 @@ static int msdos_fill_super(struct super_block *sb, void *data, int silent)
 {
         int res;
 
+        lock_super(sb);
         res = fat_fill_super(sb, data, silent, &msdos_dir_inode_operations, 0);
-        if (res)
+        if (res) {
+                unlock_super(sb);
                 return res;
+        }
 
         sb->s_flags |= MS_NOATIME;
         sb->s_root->d_op = &msdos_dentry_operations;
+        unlock_super(sb);
         return 0;
 }