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authorDavid Ahern <dsahern@gmail.com>2019-02-26 09:00:04 -0800
committerDavid S. Miller <davem@davemloft.net>2019-02-26 13:23:17 -0800
commitbe48220edd48ca0d569782992840488a52373a24 (patch)
treed55dc8f0f63c6ffe967e69a3f2597a1e9ffaa06e /net/mpls
parente3818541b49fb88650ba339d33cc53e4095da5b3 (diff)
downloadlinux-stericsson-be48220edd48ca0d569782992840488a52373a24.tar.gz
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>
Diffstat (limited to 'net/mpls')
-rw-r--r--net/mpls/af_mpls.c3
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,