[PATCH] hugetlbfs: fix error path in module_init

[Akinobu Mita]

init_hugetlbfs_fs() needs to unregister hugetlbfs
when kern_mount() returns error.

Cc: William Irwin <[EMAIL PROTECTED]>
Signed-off-by: Akinobu Mita <[EMAIL PROTECTED]>

---
 fs/hugetlbfs/inode.c |   22 +++++++++++++---------
 1 file changed, 13 insertions(+), 9 deletions(-)

Index: 2.6-mm/fs/hugetlbfs/inode.c
===================================================================
--- 2.6-mm.orig/fs/hugetlbfs/inode.c
+++ 2.6-mm/fs/hugetlbfs/inode.c
@@ -804,20 +804,23 @@ static int __init init_hugetlbfs_fs(void
 
        error = register_filesystem(&hugetlbfs_fs_type);
        if (error)
-               goto out;
+               goto out_cache;
 
        vfsmount = kern_mount(&hugetlbfs_fs_type);
 
-       if (!IS_ERR(vfsmount)) {
-               hugetlbfs_vfsmount = vfsmount;
-               return 0;
+       if (IS_ERR(vfsmount)) {
+               error = PTR_ERR(vfsmount);
+               goto out_fs;
        }
+       hugetlbfs_vfsmount = vfsmount;
 
-       error = PTR_ERR(vfsmount);
+       return 0;
+
+out_fs:
+       unregister_filesystem(&hugetlbfs_fs_type);
+out_cache:
+       kmem_cache_destroy(hugetlbfs_inode_cachep);
 
- out:
-       if (error)
-               kmem_cache_destroy(hugetlbfs_inode_cachep);
        return error;
 }
 
-
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