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authorAl Viro <viro@zeniv.linux.org.uk>2010-01-25 18:36:07 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2010-03-03 14:07:54 -0500
commitf1771ffaac29a7a4e321ddd94d7873bc0dcefd41 (patch)
treefe8b3f8abc16cbd7dfa6c197fa20e7f909231aa8 /arch/s390/hypfs
parentfc7bed8c802de3b064a56a43ec8574aa8d412de3 (diff)
downloadlinux-linaro-android-f1771ffaac29a7a4e321ddd94d7873bc0dcefd41.tar.gz
Simplify failure exits in s390/hypfs fill_super()
->kill_sb() will be called after any failure exit, so no need to duplicate what it can do. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/s390/hypfs')
-rw-r--r--arch/s390/hypfs/inode.c42
1 files changed, 13 insertions, 29 deletions
diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c
index 341aff2687a..cd128b07bed 100644
--- a/arch/s390/hypfs/inode.c
+++ b/arch/s390/hypfs/inode.c
@@ -288,46 +288,30 @@ static int hypfs_fill_super(struct super_block *sb, void *data, int silent)
sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
sb->s_magic = HYPFS_MAGIC;
sb->s_op = &hypfs_s_ops;
- if (hypfs_parse_options(data, sb)) {
- rc = -EINVAL;
- goto err_alloc;
- }
+ if (hypfs_parse_options(data, sb))
+ return -EINVAL;
root_inode = hypfs_make_inode(sb, S_IFDIR | 0755);
- if (!root_inode) {
- rc = -ENOMEM;
- goto err_alloc;
- }
+ if (!root_inode)
+ return -ENOMEM;
root_inode->i_op = &simple_dir_inode_operations;
root_inode->i_fop = &simple_dir_operations;
- root_dentry = d_alloc_root(root_inode);
+ sb->s_root = root_dentry = d_alloc_root(root_inode);
if (!root_dentry) {
iput(root_inode);
- rc = -ENOMEM;
- goto err_alloc;
+ return -ENOMEM;
}
if (MACHINE_IS_VM)
rc = hypfs_vm_create_files(sb, root_dentry);
else
rc = hypfs_diag_create_files(sb, root_dentry);
if (rc)
- goto err_tree;
+ return rc;
sbi->update_file = hypfs_create_update_file(sb, root_dentry);
- if (IS_ERR(sbi->update_file)) {
- rc = PTR_ERR(sbi->update_file);
- goto err_tree;
- }
+ if (IS_ERR(sbi->update_file))
+ return PTR_ERR(sbi->update_file);
hypfs_update_update(sb);
- sb->s_root = root_dentry;
pr_info("Hypervisor filesystem mounted\n");
return 0;
-
-err_tree:
- hypfs_delete_tree(root_dentry);
- d_genocide(root_dentry);
- dput(root_dentry);
-err_alloc:
- kfree(sbi);
- return rc;
}
static int hypfs_get_super(struct file_system_type *fst, int flags,
@@ -340,12 +324,12 @@ static void hypfs_kill_super(struct super_block *sb)
{
struct hypfs_sb_info *sb_info = sb->s_fs_info;
- if (sb->s_root) {
+ if (sb->s_root)
hypfs_delete_tree(sb->s_root);
+ if (sb_info->update_file)
hypfs_remove(sb_info->update_file);
- kfree(sb->s_fs_info);
- sb->s_fs_info = NULL;
- }
+ kfree(sb->s_fs_info);
+ sb->s_fs_info = NULL;
kill_litter_super(sb);
}