On 17 January 2017 at 14:19, W. Trevor King <wking@xxxxxxxxxx> wrote: > On Tue, Jan 17, 2017 at 02:03:29PM +1300, Michael Kerrisk (man-pages) wrote: >> + case NS_GET_OWNER_UID: >> + if (ns->ops->type != CLONE_NEWUSER) >> + return -EINVAL; >> + user_ns = container_of(ns, struct user_namespace, ns); >> + argp = (unsigned int __user *) arg; >> + uid = from_kuid_munged(current_user_ns(), user_ns->owner); >> + return put_user(uid, argp); >> … >> +/* Get owner UID for a user namespace */ >> +#define NS_GET_OWNER_UID _IO(NSIO, 0x4) > > The comment here should probably be: > > Get owner UID (in the current user namespace) for a user namespace > > or some such, to convey that current_user_ns is being passed to > from_kuid_munged. Thanks, Trevor. I'll fix that. From a user-space perspective though "in the current user namespace" should be "in the caller's user namespace". Cheers, Michael -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/ -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
