diff options
author | David Ahern <dsahern@gmail.com> | 2019-04-06 02:30:38 +0300 |
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committer | David S. Miller <davem@davemloft.net> | 2019-04-09 01:22:41 +0300 |
commit | 1a38c43d319e745cf12055a266a1f459e2ba9ec3 (patch) | |
tree | d0eb6c2d1324b3c1602003ea351f08dbbfc7ddc8 /net/ipv4 | |
parent | 619d1826269b4be5c992bec0029bbfcc823d663d (diff) | |
download | linux-1a38c43d319e745cf12055a266a1f459e2ba9ec3.tar.xz |
ipv4: Handle ipv6 gateway in fib_good_nh
Update fib_good_nh to handle an ipv6 gateway.
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4')
-rw-r--r-- | net/ipv4/fib_semantics.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c index e5a6d431bfab..c1ea138335a2 100644 --- a/net/ipv4/fib_semantics.c +++ b/net/ipv4/fib_semantics.c @@ -1909,8 +1909,14 @@ static bool fib_good_nh(const struct fib_nh *nh) rcu_read_lock_bh(); - n = __ipv4_neigh_lookup_noref(nh->fib_nh_dev, - (__force u32)nh->fib_nh_gw4); + 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; |