135 void __scm_destroy(struct scm_cookie *scm)  in __scm_destroy()  argument
137 	struct scm_fp_list *fpl = scm->fp;  in __scm_destroy()
141 		scm->fp = NULL;  in __scm_destroy()
150 static inline int scm_replace_pid(struct scm_cookie *scm, struct pid *pid)  in scm_replace_pid()  argument
155 	scm_destroy_cred(scm);  in scm_replace_pid()
161 	scm->pid = pid;  in scm_replace_pid()
162 	scm->creds.pid = pid_vnr(pid);  in scm_replace_pid()
350 void scm_detach_fds(struct msghdr *msg, struct scm_cookie *scm)  in scm_detach_fds()  argument
355 	int fdmax = min_t(int, scm_max_fds(msg), scm->fp->count);  in scm_detach_fds()
364 		scm_detach_fds_compat(msg, scm);  in scm_detach_fds()
369 		err = scm_recv_one_fd(scm->fp->fp[i], cmsg_data + i, o_flags);  in scm_detach_fds()
391 	if (i < scm->fp->count || (scm->fp->count && fdmax <= 0))  in scm_detach_fds()
398 	__scm_destroy(scm);  in scm_detach_fds()
429 static void scm_passec(struct sock *sk, struct msghdr *msg, struct scm_cookie *scm)  in scm_passec()  argument
435 		err = security_secid_to_secctx(scm->secid, &ctx);  in scm_passec()
451 static void scm_passec(struct sock *sk, struct msghdr *msg, struct scm_cookie *scm)  in scm_passec()  argument
461 static void scm_pidfd_recv(struct msghdr *msg, struct scm_cookie *scm)  in scm_pidfd_recv()  argument
479 	if (!scm->pid)  in scm_pidfd_recv()
482 	pidfd = pidfd_prepare(scm->pid, PIDFD_STALE, &pidfd_file);  in scm_pidfd_recv()
498 			      struct scm_cookie *scm, int flags)  in __scm_recv_common()  argument
502 		    scm->fp || scm_has_secdata(sk))  in __scm_recv_common()
505 		scm_destroy(scm);  in __scm_recv_common()
512 			.pid = scm->creds.pid,  in __scm_recv_common()
513 			.uid = from_kuid_munged(current_ns, scm->creds.uid),  in __scm_recv_common()
514 			.gid = from_kgid_munged(current_ns, scm->creds.gid),  in __scm_recv_common()
520 	scm_passec(sk, msg, scm);  in __scm_recv_common()
522 	if (scm->fp)  in __scm_recv_common()
523 		scm_detach_fds(msg, scm);  in __scm_recv_common()
529 	      struct scm_cookie *scm, int flags)  in scm_recv()  argument
531 	if (!__scm_recv_common(sock->sk, msg, scm, flags))  in scm_recv()
534 	scm_destroy_cred(scm);  in scm_recv()
539 		   struct scm_cookie *scm, int flags)  in scm_recv_unix()  argument
541 	if (!__scm_recv_common(sock->sk, msg, scm, flags))  in scm_recv_unix()
545 		scm_pidfd_recv(msg, scm);  in scm_recv_unix()
547 	scm_destroy_cred(scm);  in scm_recv_unix()