1 files changed, 4 insertions, 1 deletions

diff --git a/fs/affs/super.c b/fs/affs/super.c
index 63f5183f263b..d7386462a8e7 100644
--- a/fs/affs/super.c
+++ b/fs/affs/super.c
@@ -29,6 +29,8 @@ affs_put_super(struct super_block *sb)
         struct affs_sb_info *sbi = AFFS_SB(sb);
         pr_debug("AFFS: put_super()\n");
 
+        lock_kernel();
+
         if (!(sb->s_flags & MS_RDONLY)) {
                 AFFS_ROOT_TAIL(sb, sbi->s_root_bh)->bm_flag = cpu_to_be32(1);
                 secs_to_datestamp(get_seconds(),
@@ -42,7 +44,8 @@ affs_put_super(struct super_block *sb)
         affs_brelse(sbi->s_root_bh);
         kfree(sbi);
         sb->s_fs_info = NULL;
-        return;
+
+        unlock_kernel();
 }
 
 static void