Index: if.c
===================================================================
RCS file: /cvs/src/sys/net/if.c,v
retrieving revision 1.317
diff -u -p -r1.317 if.c
--- if.c	8 Feb 2015 06:00:52 -0000	1.317
+++ if.c	9 Feb 2015 00:06:26 -0000
@@ -405,6 +405,8 @@ if_attach_common(struct ifnet *ifp)
 	    M_WAITOK|M_ZERO);
 	ifp->if_linkstatetask = malloc(sizeof(*ifp->if_linkstatetask),
 	    M_TEMP, M_WAITOK|M_ZERO);
+
+	SLIST_INIT(&ifp->if_inputs);
 }
 
 void
Index: if_ethersubr.c
===================================================================
RCS file: /cvs/src/sys/net/if_ethersubr.c,v
retrieving revision 1.187
diff -u -p -r1.187 if_ethersubr.c
--- if_ethersubr.c	8 Feb 2015 06:00:52 -0000	1.187
+++ if_ethersubr.c	9 Feb 2015 00:06:26 -0000
@@ -769,7 +769,6 @@ ether_ifattach(struct ifnet *ifp)
 	ifp->if_hdrlen = ETHER_HDR_LEN;
 	ifp->if_mtu = ETHERMTU;
 	ifp->if_output = ether_output;
-	SLIST_INIT(&ifp->if_inputs);
 
 	ether_ifih = malloc(sizeof(*ether_ifih), M_DEVBUF, M_WAITOK);
 	ether_ifih->ifih_input = ether_input;