From d1d5e05ffdc110021ae7937802e88ae0d223dcdc Mon Sep 17 00:00:00 2001
From: Hillf Danton <dhillf@gmail.com>
Date: Wed, 21 Mar 2012 16:34:15 -0700
Subject: [PATCH] hugetlbfs: return error code when initializing module
Return an errno upon failure to create inode kmem cache, and unregister
the FS upon failure to mount.
[akpm@linux-foundation.org: remove unneeded test of `error']
Signed-off-by: Hillf Danton <dhillf@gmail.com>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
fs/hugetlbfs/inode.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index 631329f3de63e..269163324b73c 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -1021,6 +1021,7 @@ static int __init init_hugetlbfs_fs(void)
if (error)
return error;
+ error = -ENOMEM;
hugetlbfs_inode_cachep = kmem_cache_create("hugetlbfs_inode_cache",
sizeof(struct hugetlbfs_inode_info),
0, 0, init_once);
@@ -1039,10 +1040,10 @@ static int __init init_hugetlbfs_fs(void)
}
error = PTR_ERR(vfsmount);
+ unregister_filesystem(&hugetlbfs_fs_type);
out:
- if (error)
- kmem_cache_destroy(hugetlbfs_inode_cachep);
+ kmem_cache_destroy(hugetlbfs_inode_cachep);
out2:
bdi_destroy(&hugetlbfs_backing_dev_info);
return error;
--
2.30.2