From: David Ahern <dsahern@gmail.com>
Date: Tue, 4 Jun 2019 03:19:54 +0000 (-0700)
Subject: mlx5: Fail attempts to use routes with nexthop objects
X-Git-Tag: v5.3-rc1~140^2~335^2~1
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=6a87afc072c37880ae60fa3dfb74cc252038fac1;p=thirdparty%2Fkernel%2Flinux.git

mlx5: Fail attempts to use routes with nexthop objects

Fail attempts to use nexthop objects with routes until support can be
properly added.

Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag_mp.c b/drivers/net/ethernet/mellanox/mlx5/core/lag_mp.c
index 2cbfaa8da7fc3..e697663939903 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lag_mp.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lag_mp.c
@@ -262,6 +262,10 @@ static int mlx5_lag_fib_event(struct notifier_block *nb,
 		fen_info = container_of(info, struct fib_entry_notifier_info,
 					info);
 		fi = fen_info->fi;
+		if (fi->nh) {
+			NL_SET_ERR_MSG_MOD(info->extack, "IPv4 route with nexthop objects is not supported");
+			return notifier_from_errno(-EINVAL);
+		}
 		fib_dev = fib_info_nh(fen_info->fi, 0)->fib_nh_dev;
 		if (fib_dev != ldev->pf[0].netdev &&
 		    fib_dev != ldev->pf[1].netdev) {