linux-kernel - [PATCH 4.18 056/135] net/ipv6: Remove extra call to ip6_convert

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Date:   Tue, 16 Oct 2018 19:04:46 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, David Ahern <dsahern@...il.com>,
        "David S. Miller" <davem@...emloft.net>
Subject: [PATCH 4.18 056/135] net/ipv6: Remove extra call to ip6_convert_metrics for multipath case

4.18-stable review patch.  If anyone has any objections, please let me know.

------------------

From: David Ahern <dsahern@...il.com>

[ Upstream commit 36f19d5b4f99fa9fa8263877e5f8e669d7fddc14 ]

The change to move metrics from the dst to rt6_info moved the call
to ip6_convert_metrics from ip6_route_add to ip6_route_info_create. In
doing so it makes the call in ip6_route_info_append redundant and
actually leaks the metrics installed as part of the ip6_route_info_create.
Remove the now unnecessary call.

Fixes: d4ead6b34b67f ("net/ipv6: move metrics from dst to rt6_info")
Signed-off-by: David Ahern <dsahern@...il.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 net/ipv6/route.c |    5 -----
 1 file changed, 5 deletions(-)

--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -4314,11 +4314,6 @@ static int ip6_route_info_append(struct
 	if (!nh)
 		return -ENOMEM;
 	nh->fib6_info = rt;
-	err = ip6_convert_metrics(net, rt, r_cfg);
-	if (err) {
-		kfree(nh);
-		return err;
-	}
 	memcpy(&nh->r_cfg, r_cfg, sizeof(*r_cfg));
 	list_add_tail(&nh->next, rt6_nh_list);