linux-kernel - [PATCH next 3/3] selftests:connector: Add root check and fix arg error paths to skip

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Date:   Fri, 28 Jul 2023 11:29:28 -0600
From:   Shuah Khan <skhan@...uxfoundation.org>
To:     shuah@...nel.org, Liam.Howlett@...cle.com,
        anjali.k.kulkarni@...cle.com, kuba@...nel.org
Cc:     Shuah Khan <skhan@...uxfoundation.org>, davem@...emloft.net,
        linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH next 3/3] selftests:connector: Add root check and fix arg error paths to skip

proc_filter test requires root privileges. Add root privilege check
and skip the test. Also fix argument parsing paths to skip in their
error legs.

Signed-off-by: Shuah Khan <skhan@...uxfoundation.org>
---
 tools/testing/selftests/connector/proc_filter.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/connector/proc_filter.c b/tools/testing/selftests/connector/proc_filter.c
index 4fe8c6763fd8..7b2081b98e5c 100644
--- a/tools/testing/selftests/connector/proc_filter.c
+++ b/tools/testing/selftests/connector/proc_filter.c
@@ -248,7 +248,7 @@ int main(int argc, char *argv[])
 
 	if (argc > 2) {
 		printf("Expected 0(assume no-filter) or 1 argument(-f)\n");
-		exit(1);
+		exit(KSFT_SKIP);
 	}
 
 	if (argc == 2) {
@@ -256,10 +256,15 @@ int main(int argc, char *argv[])
 			filter = 1;
 		} else {
 			printf("Valid option : -f (for filter feature)\n");
-			exit(1);
+			exit(KSFT_SKIP);
 		}
 	}
 
+	if (geteuid()) {
+		printf("Connector test requires root privileges.\n");
+		exit(KSFT_SKIP);
+	}
+
 	if (filter) {
 		input.event_type = PROC_EVENT_NONZERO_EXIT;
 		input.mcast_op = PROC_CN_MCAST_LISTEN;
-- 
2.39.2