linux-kernel - [PATCH 1/1] Improve missing mods error message and make shell script executable

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Message-ID: <20240820202116.6124-1-david.hunter.linux@gmail.com>
Date: Tue, 20 Aug 2024 16:21:16 -0400
From: David Hunter <david.hunter.linux@...il.com>
To: davem@...emloft.net,
	edumazet@...gle.com,
	kuba@...nel.org,
	pabeni@...hat.com,
	shuah@...nel.org
Cc: netdev@...r.kernel.org,
	linux-kselftest@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	javier.carrasco.cruz@...il.com,
	david.hunter.linux@...il.com
Subject: [PATCH 1/1] Improve missing mods error message and make shell script executable

Make the test executable. Currently, tests in this shell script are not
executable, so the scipt file is skipped entirely.

Also, the error message descirbing the required modules is inaccurate.
Currently, only  "SKIP: Need act_mirred module" is shown. As a result,
users might only that module; however, three modules are actually
required and if any of them are missing, the build will fail with the
same message.

Fix the error message to show any/all modules needed for the script file
upon failure.

Signed-off-by: David Hunter <david.hunter.linux@...il.com>
---
 .../testing/selftests/net/test_ingress_egress_chaining.sh | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)
 mode change 100644 => 100755 tools/testing/selftests/net/test_ingress_egress_chaining.sh

diff --git a/tools/testing/selftests/net/test_ingress_egress_chaining.sh b/tools/testing/selftests/net/test_ingress_egress_chaining.sh
old mode 100644
new mode 100755
index 08adff6bb3b6..b1a3d68e0ec2
--- a/tools/testing/selftests/net/test_ingress_egress_chaining.sh
+++ b/tools/testing/selftests/net/test_ingress_egress_chaining.sh
@@ -13,8 +13,14 @@ if [ "$(id -u)" -ne 0 ];then
 fi
 
 needed_mods="act_mirred cls_flower sch_ingress"
+mods_missing=""
+
+for mod in $needed_mods; do 
+	modinfo $mod &>/dev/null || mods_missing="$mods_missing$mod "
+done
+
 for mod in $needed_mods; do
-	modinfo $mod &>/dev/null || { echo "SKIP: Need act_mirred module"; exit $ksft_skip; }
+	modinfo $mod &>/dev/null || { echo "SKIP: modules needed: $mods_missing"; exit $ksft_skip; }
 done
 
 ns="ns$((RANDOM%899+100))"
-- 
2.43.0