From 2f2fa4ea9d51abc2e4f83910a6ccde22c7b3be61 Mon Sep 17 00:00:00 2001
From: mpi <mpi@openbsd.org>
Date: Tue, 9 Jun 2015 14:57:30 +0000
Subject: [PATCH] Remove the hack to check if the received pointer has changed
 in an ifih now that all drivers and pseudo-drivers are using if_input().

if_input() is reentrant and is now the only place where we set `rcvif'.
---
 sys/net/if.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/sys/net/if.c b/sys/net/if.c
index 9965ae8134d..21031279f00 100644
--- a/sys/net/if.c
+++ b/sys/net/if.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: if.c,v 1.338 2015/06/07 12:02:28 jsg Exp $	*/
+/*	$OpenBSD: if.c,v 1.339 2015/06/09 14:57:30 mpi Exp $	*/
 /*	$NetBSD: if.c,v 1.35 1996/05/07 05:26:04 thorpej Exp $	*/
 
 /*
@@ -523,7 +523,7 @@ if_input_process(void *xmq)
 	s = splnet();
 	while ((m = ml_dequeue(&ml)) != NULL) {
 		sched_pause();
-again:
+
 		/*
 		 * Pass this mbuf to all input handlers of its
 		 * interface until it is consumed.
@@ -532,10 +532,6 @@ again:
 		SLIST_FOREACH(ifih, &ifp->if_inputs, ifih_next) {
 			if ((*ifih->ifih_input)(m))
 				break;
-
-			/* Pseudo-drivers might be stacked. */
-			if (ifp != m->m_pkthdr.rcvif)
-				goto again;
 		}
 	}
 	splx(s);
-- 
2.20.1