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| author | David Ahern <dsahern@gmail.com> | 2019-02-26 09:00:04 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-02-26 13:23:17 -0800 |
| commit | be48220edd48ca0d569782992840488a52373a24 (patch) | |
| tree | d55dc8f0f63c6ffe967e69a3f2597a1e9ffaa06e | |
| parent | e3818541b49fb88650ba339d33cc53e4095da5b3 (diff) | |
| download | lwn-be48220edd48ca0d569782992840488a52373a24.tar.gz lwn-be48220edd48ca0d569782992840488a52373a24.zip | |
mpls: Return error for RTA_GATEWAY attribute
MPLS does not support nexthops with an MPLS address family.
Specifically, it does not handle RTA_GATEWAY attribute. Make it
clear by returning an error.
Fixes: 03c0566542f4c ("mpls: Netlink commands to add, remove, and dump routes")
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/mpls/af_mpls.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/mpls/af_mpls.c b/net/mpls/af_mpls.c index 7d55d4c04088..fa763e2e50ec 100644 --- a/net/mpls/af_mpls.c +++ b/net/mpls/af_mpls.c @@ -1838,6 +1838,9 @@ static int rtm_to_route_config(struct sk_buff *skb, goto errout; break; } + case RTA_GATEWAY: + NL_SET_ERR_MSG(extack, "MPLS does not support RTA_GATEWAY attribute"); + goto errout; case RTA_VIA: { if (nla_get_via(nla, &cfg->rc_via_alen, |