Re: [PATCH] net/unix: pass pidfd flags via SCM_PIDFD cmsg

From: Stas Sergeev stsp2@yandex.ru Date: Thu, 14 Nov 2024 00:02:05 +0300

@@ -154,7 +157,12 @@ static __inline__ void scm_pidfd_recv(struct msghdr *msg, struct scm_cookie *scm if (!scm->pid) return;

• pidfd = pidfd_prepare(scm->pid, 0, &pidfd_file);

• err = pidfd_validate_flags(scm->pidfd_flags);

No neede to double check here, it's already checked in __scm_send().

• if (err) {

• msg->msg_flags |= MSG_CTRUNC;
  

• return;
  

• }
• pidfd = pidfd_prepare(scm->pid, scm->pidfd_flags, &pidfd_file);

if (put_cmsg(msg, SOL_SOCKET, SCM_PIDFD, sizeof(int), &pidfd)) { if (pidfd_file) {