diff mbox series

[2/2] selftest: rtc: Check if could access /dev/rtc0 before testing

Message ID 20240524013807.154338-3-jjang@nvidia.com
State New
Headers show
Series selftest: rtc: Add rtc feature detection and rtc file check | expand

Commit Message

Joseph Jang May 24, 2024, 1:38 a.m. UTC 
The rtctest requires the read permission on /dev/rtc0. The rtctest will
be skipped if the /dev/rtc0 is not readable.

Reviewed-by: Koba Ko <kobak@nvidia.com>
Reviewed-by: Matthew R. Ochs <mochs@nvidia.com>
Signed-off-by: Joseph Jang <jjang@nvidia.com>
---
 tools/testing/selftests/rtc/rtctest.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/tools/testing/selftests/rtc/rtctest.c b/tools/testing/selftests/rtc/rtctest.c
index 2b12497eb30d..d104f5326cf4 100644
--- a/tools/testing/selftests/rtc/rtctest.c
+++ b/tools/testing/selftests/rtc/rtctest.c
@@ -483,6 +483,8 @@  __constructor_order_last(void)
 
 int main(int argc, char **argv)
 {
+	int ret = -1;
+
 	switch (argc) {
 	case 2:
 		rtc_file = argv[1];
@@ -494,5 +496,12 @@  int main(int argc, char **argv)
 		return 1;
 	}
 
-	return test_harness_run(argc, argv);
+	/* Run the test if rtc_file is accessible */
+	if (access(rtc_file, R_OK) == 0)
+		ret = test_harness_run(argc, argv);
+	else
+		ksft_exit_skip("[SKIP]: Cannot access rtc file %s - Exiting\n",
+						rtc_file);
+
+	return ret;
 }