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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