Ingo Oeser <[email protected]> wrote:
>
> -int scm_send(struct socket *sock, struct msghdr *msg, struct scm_cookie *scm)
> -{
> - struct task_struct *p = current;
> - scm->creds = (struct ucred) {
> - .uid = p->uid,
> - .gid = p->gid,
> - .pid = p->tgid
> - };
> - scm->fp = NULL;
> - scm->sid = security_sk_sid(sock->sk, NULL, 0);
> - scm->seq = 0;
> - if (msg->msg_controllen <= 0)
> - return 0;
> - return __scm_send(sock, msg, scm);
> -}
It's worth noting that scm_send() will call security_sk_sid() even if
(msg->msg_controllen <= 0).
If that test is likely to be true with any frequency then perhaps we can
optimise things...
-
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