linux-kernel - [PATCH 4.19 013/219] selftests: forwarding: Delete IPv6 address at the end

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Message-Id: <20191229162510.995471060@linuxfoundation.org>
Date:   Sun, 29 Dec 2019 18:16:55 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Ido Schimmel <idosch@...lanox.com>,
        "David S. Miller" <davem@...emloft.net>
Subject: [PATCH 4.19 013/219] selftests: forwarding: Delete IPv6 address at the end

From: Ido Schimmel <idosch@...lanox.com>

[ Upstream commit 65cb13986229cec02635a1ecbcd1e2dd18353201 ]

When creating the second host in h2_create(), two addresses are assigned
to the interface, but only one is deleted. When running the test twice
in a row the following error is observed:

$ ./router_bridge_vlan.sh
TEST: ping                                                          [ OK ]
TEST: ping6                                                         [ OK ]
TEST: vlan                                                          [ OK ]
$ ./router_bridge_vlan.sh
RTNETLINK answers: File exists
TEST: ping                                                          [ OK ]
TEST: ping6                                                         [ OK ]
TEST: vlan                                                          [ OK ]

Fix this by deleting the address during cleanup.

Fixes: 5b1e7f9ebd56 ("selftests: forwarding: Test routed bridge interface")
Signed-off-by: Ido Schimmel <idosch@...lanox.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 tools/testing/selftests/net/forwarding/router_bridge_vlan.sh |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/tools/testing/selftests/net/forwarding/router_bridge_vlan.sh
+++ b/tools/testing/selftests/net/forwarding/router_bridge_vlan.sh
@@ -36,7 +36,7 @@ h2_destroy()
 {
 	ip -6 route del 2001:db8:1::/64 vrf v$h2
 	ip -4 route del 192.0.2.0/28 vrf v$h2
-	simple_if_fini $h2 192.0.2.130/28
+	simple_if_fini $h2 192.0.2.130/28 2001:db8:2::2/64
 }
 
 router_create()