From: Florian Westphal <fw@strlen.de>
Date: Wed, 4 Oct 2017 14:22:59 +0000 (+0200)
Subject: selftests: rtnetlink: try concurrent change of ifalias
X-Git-Tag: v5.4.17~7189^2~560
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=e9b871ee098dfb91780e13bfc6e91e82c7b4ad73;p=arm%2Flinux.git

selftests: rtnetlink: try concurrent change of ifalias

to make sure this is serialized correctly.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/tools/testing/selftests/net/rtnetlink.sh b/tools/testing/selftests/net/rtnetlink.sh
index 62c87da92770..e8c86c416ed0 100755
--- a/tools/testing/selftests/net/rtnetlink.sh
+++ b/tools/testing/selftests/net/rtnetlink.sh
@@ -278,6 +278,12 @@ kci_test_ifalias()
 	        ip link show "$devdummy" | grep -q "alias $namewant"
 		check_fail $?
 
+		for i in $(seq 1 100); do
+			uuidgen > "$syspathname" &
+		done
+
+		wait
+
 		# re-add the alias -- kernel should free mem when dummy dev is removed
 		ip link set dev "$devdummy" alias "$namewant"
 		check_err $?