[PATCH nf-next v2 3/4] selftest: netfilter: wait for specific nc pids

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Doing wait with no parameters may interfere with some of the tests
having their own background processes.

Although no such test is currently present, the cleanup is useful
to rely on the nft_flowtable.sh for local development (e.g. running
background tcpdump command during the tests).

Signed-off-by: Boris Sukholitko <boris.sukholitko@xxxxxxxxxxxx>
---
 tools/testing/selftests/netfilter/nft_flowtable.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/netfilter/nft_flowtable.sh b/tools/testing/selftests/netfilter/nft_flowtable.sh
index 3cf20e9bd3a6..92bc308bf168 100755
--- a/tools/testing/selftests/netfilter/nft_flowtable.sh
+++ b/tools/testing/selftests/netfilter/nft_flowtable.sh
@@ -296,7 +296,8 @@ test_tcp_forwarding_ip()
 		kill $cpid
 	fi
 
-	wait
+	wait $lpid
+	wait $cpid
 
 	if ! check_transfer "$nsin" "$ns2out" "ns1 -> ns2"; then
 		lret=1
-- 
2.32.0

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