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-rw-r--r--sys/net/pf_if.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/sys/net/pf_if.c b/sys/net/pf_if.c
index 26ce0ee731e..4e03b185509 100644
--- a/sys/net/pf_if.c
+++ b/sys/net/pf_if.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: pf_if.c,v 1.23 2004/12/22 17:17:55 dhartmei Exp $ */
+/* $OpenBSD: pf_if.c,v 1.24 2005/04/21 13:34:45 pascoe Exp $ */
/*
* Copyright (c) 2001 Daniel Hartmeier
@@ -179,6 +179,9 @@ pfi_attach_ifnet(struct ifnet *ifp)
p->pfik_flags |= PFI_IFLAG_ATTACHED;
p->pfik_ah_cookie =
hook_establish(ifp->if_addrhooks, 1, pfi_kifaddr_update, p);
+ if (p->pfik_ah_cookie == NULL)
+ panic("pfi_attach_ifnet: cannot allocate '%s' address hook",
+ ifp->if_xname);
pfi_index2kif[ifp->if_index] = p;
pfi_dohooks(p);
splx(s);