Commit be48220e authored by David Ahern's avatar David Ahern Committed by David S. Miller

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: 03c05665 ("mpls: Netlink commands to add, remove, and dump routes")
Signed-off-by: default avatarDavid Ahern <dsahern@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent e3818541
...@@ -1838,6 +1838,9 @@ static int rtm_to_route_config(struct sk_buff *skb, ...@@ -1838,6 +1838,9 @@ static int rtm_to_route_config(struct sk_buff *skb,
goto errout; goto errout;
break; break;
} }
case RTA_GATEWAY:
NL_SET_ERR_MSG(extack, "MPLS does not support RTA_GATEWAY attribute");
goto errout;
case RTA_VIA: case RTA_VIA:
{ {
if (nla_get_via(nla, &cfg->rc_via_alen, if (nla_get_via(nla, &cfg->rc_via_alen,
......
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