netdev - [PATCH net-next] selftests: rtnetlink: try concurrent change of ifalias

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Message-Id: <20171004115258.5878-1-fw@strlen.de>
Date:   Wed,  4 Oct 2017 13:52:58 +0200
From:   Florian Westphal <fw@...len.de>
To:     <netdev@...r.kernel.org>
Cc:     Florian Westphal <fw@...len.de>
Subject: [PATCH net-next] selftests: rtnetlink: try concurrent change of ifalias

to make sure this is serialized correctly.

Signed-off-by: Florian Westphal <fw@...len.de>
---
 tools/testing/selftests/net/rtnetlink.sh | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/tools/testing/selftests/net/rtnetlink.sh b/tools/testing/selftests/net/rtnetlink.sh
index 62c87da92770..13c29beb5769 100755
--- a/tools/testing/selftests/net/rtnetlink.sh
+++ b/tools/testing/selftests/net/rtnetlink.sh
@@ -278,6 +278,14 @@ kci_test_ifalias()
 	        ip link show "$devdummy" | grep -q "alias $namewant"
 		check_fail $?
 
+		for i in $(seq 1 100); do
+			uuidgen > "$syspathname" &
+		done
+
+		for i in $(seq 1 100); do
+			wait
+		done
+
 		# re-add the alias -- kernel should free mem when dummy dev is removed
 		ip link set dev "$devdummy" alias "$namewant"
 		check_err $?
-- 
2.13.6