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Btrfs: disable qgroup id 0

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Qgroup id 0 is a special number, we should set the id of a qgroup to 0.
Fix it.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
This commit is contained in:
Miao Xie 2012-11-15 11:35:41 +00:00 committed by Josef Bacik
parent cc975eb460
commit d86e56cf7d
1 changed files with 5 additions and 0 deletions
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5
fs/btrfs/ioctl.c
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@ -3698,6 +3698,11 @@ static long btrfs_ioctl_qgroup_create(struct file *file, void __user *arg)
goto drop_write; goto drop_write;
} }
if (!sa->qgroupid) {
ret = -EINVAL;
goto out;
}
trans = btrfs_join_transaction(root); trans = btrfs_join_transaction(root);
if (IS_ERR(trans)) { if (IS_ERR(trans)) {
ret = PTR_ERR(trans); ret = PTR_ERR(trans);