arpcom untangling:

consistently with the rest of the code, use IFP2AC(ifp) to access
the arpcom structure given the ifp.

In this case also fix a difference in assumptions WRT the rest of
the net/ sources: it is not the 'struct *softc' that starts with a
'struct arpcom', but a 'struct arpcom' that starts with a
'struct ifnet'

1 files changed, 1 insertions, 1 deletions

diff --git a/sys/net/if_vlan.c b/sys/net/if_vlan.c
index 315412f..87eabb7 100644
--- a/sys/net/if_vlan.c
+++ b/sys/net/if_vlan.c
@@ -691,7 +691,7 @@ vlan_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
 			struct sockaddr *sa;
 
 			sa = (struct sockaddr *) &ifr->ifr_data;
-			bcopy(((struct arpcom *)ifp->if_softc)->ac_enaddr,
+			bcopy(IFP2AC(ifp)->ac_enaddr,
 			      (caddr_t) sa->sa_data, ETHER_ADDR_LEN);
 		}
 		break;