netdev - [PATCH net 3/7] selftests: nft_flowtable.sh: use /proc for pid checking

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Date: Wed, 10 May 2023 10:33:09 +0200
From: Pablo Neira Ayuso <pablo@...filter.org>
To: netfilter-devel@...r.kernel.org
Cc: davem@...emloft.net,
	netdev@...r.kernel.org,
	kuba@...nel.org,
	pabeni@...hat.com,
	edumazet@...gle.com
Subject: [PATCH net 3/7] selftests: nft_flowtable.sh: use /proc for pid checking

From: Boris Sukholitko <boris.sukholitko@...adcom.com>

Some ps commands (e.g. busybox derived) have no -p option. Use /proc for
pid existence check.

Signed-off-by: Boris Sukholitko <boris.sukholitko@...adcom.com>
Signed-off-by: Pablo Neira Ayuso <pablo@...filter.org>
---
 tools/testing/selftests/netfilter/nft_flowtable.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/netfilter/nft_flowtable.sh b/tools/testing/selftests/netfilter/nft_flowtable.sh
index 7060bae04ec8..4d8bc51b7a7b 100755
--- a/tools/testing/selftests/netfilter/nft_flowtable.sh
+++ b/tools/testing/selftests/netfilter/nft_flowtable.sh
@@ -288,11 +288,11 @@ test_tcp_forwarding_ip()
 
 	sleep 3
 
-	if ps -p $lpid > /dev/null;then
+	if test -d /proc/"$lpid"/; then
 		kill $lpid
 	fi
 
-	if ps -p $cpid > /dev/null;then
+	if test -d /proc/"$cpid"/; then
 		kill $cpid
 	fi
 
-- 
2.30.2