Commit 1a38c43d authored by David Ahern's avatar David Ahern Committed by David S. Miller
Browse files

ipv4: Handle ipv6 gateway in fib_good_nh 



Update fib_good_nh 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 619d1826

net/ipv4/fib_semantics.c

+8 −2
Original line number Diff line number Diff line
@@ -1909,8 +1909,14 @@ static bool fib_good_nh(const struct fib_nh *nh) 


		rcu_read_lock_bh();



		if (likely(nh->fib_nh_gw_family == AF_INET))

			n = __ipv4_neigh_lookup_noref(nh->fib_nh_dev,

						   (__force u32)nh->fib_nh_gw4);

		else if (nh->fib_nh_gw_family == AF_INET6)

			n = __ipv6_neigh_lookup_noref_stub(nh->fib_nh_dev,

							   &nh->fib_nh_gw6);

		else

			n = NULL;

		if (n)

			state = n->nud_state;