Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

1 files changed, 7 insertions, 5 deletions

diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c
index 18c091925ea5..bdade5f2e325 100644
--- a/arch/s390/hypfs/inode.c
+++ b/arch/s390/hypfs/inode.c
@@ -1,5 +1,5 @@
 /*
- *  fs/hypfs/inode.c
+ *  arch/s390/hypfs/inode.c
  *    Hypervisor filesystem for Linux on s390.
  *
  *    Copyright (C) IBM Corp. 2006
@@ -312,10 +312,12 @@ static void hypfs_kill_super(struct super_block *sb)
 {
         struct hypfs_sb_info *sb_info = sb->s_fs_info;
 
-        hypfs_delete_tree(sb->s_root);
-        hypfs_remove(sb_info->update_file);
-        kfree(sb->s_fs_info);
-        sb->s_fs_info = NULL;
+        if (sb->s_root) {
+                hypfs_delete_tree(sb->s_root);
+                hypfs_remove(sb_info->update_file);
+                kfree(sb->s_fs_info);
+                sb->s_fs_info = NULL;
+        }
         kill_litter_super(sb);
 }