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btrfs: make free_fs_info() call ->kill_sb() unconditional

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... and don't bother with it after btrfs_fill_super() failure -
->kill_sb() (unlike ->put_super()) will be called even if we
have not got non-NULL ->s_root.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2011-11-17 01:46:50 -05:00
parent be7e0950de
commit d22ca7de77
1 changed files with 2 additions and 6 deletions
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8
fs/btrfs/super.c
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@ -946,7 +946,6 @@ static struct dentry *btrfs_mount(struct file_system_type *fs_type, int flags,
error = btrfs_fill_super(s, fs_devices, data,
flags & MS_SILENT ? 1 : 0);
if (error) {
free_fs_info(fs_info);
deactivate_locked_super(s);
return ERR_PTR(error);
}
@ -1215,12 +1214,9 @@ static int btrfs_statfs(struct dentry *dentry, struct kstatfs *buf)
static void btrfs_kill_super(struct super_block *sb)
{
struct btrfs_fs_info *fs_info = NULL;
if (sb->s_root)
fs_info = btrfs_sb(sb)->fs_info;
struct btrfs_fs_info *fs_info = btrfs_sb(sb)->fs_info;
kill_anon_super(sb);
if (fs_info)
free_fs_info(fs_info);
free_fs_info(fs_info);
}
static struct file_system_type btrfs_fs_type = {