[PATCH 6.0 074/148] selftests: net: fix cleanup_v6() for arp_ndisc_evict_nocarrier

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From: Po-Hsu Lin <po-hsu.lin@xxxxxxxxxxxxx>

[ Upstream commit 9c4d7f45d60745a1cea0e841fa5e3444c398d2f1 ]

The cleanup_v6() will cause the arp_ndisc_evict_nocarrier script exit
with 255 (No such file or directory), even the tests are good:

 # selftests: net: arp_ndisc_evict_nocarrier.sh
 # run arp_evict_nocarrier=1 test
 # RTNETLINK answers: File exists
 # ok
 # run arp_evict_nocarrier=0 test
 # RTNETLINK answers: File exists
 # ok
 # run all.arp_evict_nocarrier=0 test
 # RTNETLINK answers: File exists
 # ok
 # run ndisc_evict_nocarrier=1 test
 # ok
 # run ndisc_evict_nocarrier=0 test
 # ok
 # run all.ndisc_evict_nocarrier=0 test
 # ok
 not ok 1 selftests: net: arp_ndisc_evict_nocarrier.sh # exit=255

This is because it's trying to modify the parameter for ipv4 instead.

Also, tests for ipv6 (run_ndisc_evict_nocarrier_enabled() and
run_ndisc_evict_nocarrier_disabled() are working on veth1, reflect
this fact in cleanup_v6().

Fixes: f86ca07eb531 ("selftests: net: add arp_ndisc_evict_nocarrier")
Signed-off-by: Po-Hsu Lin <po-hsu.lin@xxxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 tools/testing/selftests/net/arp_ndisc_evict_nocarrier.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/net/arp_ndisc_evict_nocarrier.sh b/tools/testing/selftests/net/arp_ndisc_evict_nocarrier.sh
index b5af08af8559..b4ec1eeee6c9 100755
--- a/tools/testing/selftests/net/arp_ndisc_evict_nocarrier.sh
+++ b/tools/testing/selftests/net/arp_ndisc_evict_nocarrier.sh
@@ -24,8 +24,8 @@ cleanup_v6()
     ip netns del me
     ip netns del peer
 
-    sysctl -w net.ipv4.conf.veth0.ndisc_evict_nocarrier=1 >/dev/null 2>&1
-    sysctl -w net.ipv4.conf.all.ndisc_evict_nocarrier=1 >/dev/null 2>&1
+    sysctl -w net.ipv6.conf.veth1.ndisc_evict_nocarrier=1 >/dev/null 2>&1
+    sysctl -w net.ipv6.conf.all.ndisc_evict_nocarrier=1 >/dev/null 2>&1
 }
 
 create_ns()
-- 
2.35.1






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