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author | Al Viro <viro@zeniv.linux.org.uk> | 2010-01-25 18:36:07 -0500 |
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committer | Al Viro <viro@zeniv.linux.org.uk> | 2010-03-03 14:07:54 -0500 |
commit | f1771ffaac29a7a4e321ddd94d7873bc0dcefd41 (patch) | |
tree | fe8b3f8abc16cbd7dfa6c197fa20e7f909231aa8 /arch | |
parent | fc7bed8c802de3b064a56a43ec8574aa8d412de3 (diff) | |
download | linux-f1771ffaac29a7a4e321ddd94d7873bc0dcefd41.tar.gz linux-f1771ffaac29a7a4e321ddd94d7873bc0dcefd41.tar.bz2 linux-f1771ffaac29a7a4e321ddd94d7873bc0dcefd41.zip |
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')
-rw-r--r-- | arch/s390/hypfs/inode.c | 42 |
1 files changed, 13 insertions, 29 deletions
diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c index 341aff2687a5..cd128b07beda 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); } |