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hugetlbfs: return error code when initializing module

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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>
This commit is contained in:
Hillf Danton 2012-03-21 16:34:15 -07:00 committed by Linus Torvalds
parent b69add218d
commit d1d5e05ffd
1 changed files with 3 additions and 2 deletions
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5
fs/hugetlbfs/inode.c
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@ -1021,6 +1021,7 @@ static int __init init_hugetlbfs_fs(void)
if (error) if (error)
return error; return error;
error = -ENOMEM;
hugetlbfs_inode_cachep = kmem_cache_create("hugetlbfs_inode_cache", hugetlbfs_inode_cachep = kmem_cache_create("hugetlbfs_inode_cache",
sizeof(struct hugetlbfs_inode_info), sizeof(struct hugetlbfs_inode_info),
0, 0, init_once); 0, 0, init_once);
@ -1039,10 +1040,10 @@ static int __init init_hugetlbfs_fs(void)
} }
error = PTR_ERR(vfsmount); error = PTR_ERR(vfsmount);
unregister_filesystem(&hugetlbfs_fs_type);
out: out:
if (error) kmem_cache_destroy(hugetlbfs_inode_cachep);
kmem_cache_destroy(hugetlbfs_inode_cachep);
out2: out2:
bdi_destroy(&hugetlbfs_backing_dev_info); bdi_destroy(&hugetlbfs_backing_dev_info);
return error; return error;