Commit 619d1826 authored by David Ahern's avatar David Ahern Committed by David S. Miller
Browse files

ipv4: Handle ipv6 gateway in fib_detect_death 



Update fib_detect_death to handle an ipv6 gateway.

Signed-off-by: default avatarDavid Ahern <dsahern@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 6de9c055

net/ipv4/fib_semantics.c

+9 −1
Original line number Diff line number Diff line
@@ -457,10 +457,18 @@ static int fib_detect_death(struct fib_info *fi, int order, 
			    struct fib_info **last_resort, int *last_idx,

			    int dflt)

{

	const struct fib_nh_common *nhc = fib_info_nhc(fi, 0);

	struct neighbour *n;

	int state = NUD_NONE;



	n = neigh_lookup(&arp_tbl, &fi->fib_nh[0].fib_nh_gw4, fi->fib_dev);

	if (likely(nhc->nhc_gw_family == AF_INET))

		n = neigh_lookup(&arp_tbl, &nhc->nhc_gw.ipv4, nhc->nhc_dev);

	else if (nhc->nhc_gw_family == AF_INET6)

		n = neigh_lookup(ipv6_stub->nd_tbl, &nhc->nhc_gw.ipv6,

				 nhc->nhc_dev);

	else

		n = NULL;



	if (n) {

		state = n->nud_state;

		neigh_release(n);