? bridgeMFC.diff
Index: net/bridge.c
===================================================================
RCS file: /home/ncvs/src/sys/net/bridge.c,v
retrieving revision 1.16.2.6
diff -u -r1.16.2.6 bridge.c
--- net/bridge.c	2000/09/25 17:30:01	1.16.2.6
+++ net/bridge.c	2000/11/25 06:08:58
@@ -767,6 +767,9 @@
 	m_freem(m);
 	if (canfree == 0) /* m was a copy */
 	    m_freem(*m0);
+#ifdef DIAGNOSTIC
+	printf("bdg_forward: No rules match, so dropping packet!\n");
+#endif
 	*m0 = NULL ;
 	return 0 ;
     }
Index: net/if_ethersubr.c
===================================================================
RCS file: /home/ncvs/src/sys/net/if_ethersubr.c,v
retrieving revision 1.70.2.9
diff -u -r1.70.2.9 if_ethersubr.c
--- net/if_ethersubr.c	2000/10/20 18:26:30	1.70.2.9
+++ net/if_ethersubr.c	2000/11/25 06:08:58
@@ -446,8 +446,16 @@
 			m_freem(m);
 			return;
 		}
-		if (bif != BDG_LOCAL)
+		if (bif != BDG_LOCAL) {
 			bdg_forward(&m, eh, bif);	/* needs forwarding */
+			/*
+			 * Do not continue if bdg_forward() processed our
+			 * packet (and cleared the mbuf pointer m) or if
+			 * it dropped (m_free'd) the packet itself.
+			 */
+			 if (m == NULL)
+				return;
+		}
 		if (bif == BDG_LOCAL
 		    || bif == BDG_BCAST
 		    || bif == BDG_MCAST)