diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 7624212ae92600fbebc72bb58ba79b4af9a99309..dd8e3448fe8fafaebc315df5032d897be975c3fb 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -3698,6 +3698,11 @@ static long btrfs_ioctl_qgroup_create(struct file *file, void __user *arg) goto drop_write; } + if (!sa->qgroupid) { + ret = -EINVAL; + goto out; + } + trans = btrfs_join_transaction(root); if (IS_ERR(trans)) { ret = PTR_ERR(trans);