netdev - [PATCH net-next 4/4] selftests: fib_tests: sleep after changing carrier

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Date:   Tue, 13 Feb 2018 08:37:36 -0800
From:   David Ahern <dsahern@...il.com>
To:     netdev@...r.kernel.org
Cc:     idosch@...lanox.com, David Ahern <dsahern@...il.com>
Subject: [PATCH net-next 4/4] selftests: fib_tests: sleep after changing carrier

sleep for a second after setting carrier down to allow linkwatch
to propagate the change to the routing stack via netdev_state_change.
As it stands there is a race setting carrier down on the dummy
device and then checking the linkdown flag in the routes.

Signed-off-by: David Ahern <dsahern@...il.com>
---
 tools/testing/selftests/net/fib_tests.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/testing/selftests/net/fib_tests.sh b/tools/testing/selftests/net/fib_tests.sh
index e113cfd659fc..b617985ecdc1 100755
--- a/tools/testing/selftests/net/fib_tests.sh
+++ b/tools/testing/selftests/net/fib_tests.sh
@@ -282,6 +282,7 @@ fib_carrier_local_test()
 
 	set -e
 	ip -netns testns link set dev dummy0 carrier off
+	sleep 1
 	set +e
 
 	echo "    Carrier off on nexthop"
-- 
2.11.0