[PATCH v2 net-next] selftests: rtnetlink: try concurrent change of ifalias

[Florian Westphal]

to make sure this is serialized correctly.

Signed-off-by: Florian Westphal <f...@strlen.de>
---
 change since v1:
 Eric points out 'wait' blocks for all current children, so no need
 for another loop.

 tools/testing/selftests/net/rtnetlink.sh | 6 ++++++
 1 file changed, 6 insertions(+)

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 $?
-- 
2.13.6