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

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Hi Alexandre,

Thank you for looking at the rtc patch.
I saw you Acked the [PATCH 2/2], not sure when could we see the patch
in kernel master or next branch ?

Thank you,
Joseph.

On 2024/6/21 3:37 AM, Alexandre Belloni wrote:
On 23/05/2024 18:38:07-0700, Joseph Jang wrote:
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@xxxxxxxxxx>
Reviewed-by: Matthew R. Ochs <mochs@xxxxxxxxxx>
Signed-off-by: Joseph Jang <jjang@xxxxxxxxxx>

Acked-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>

---
  tools/testing/selftests/rtc/rtctest.c | 11 ++++++++++-
  1 file changed, 10 insertions(+), 1 deletion(-)

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;
  }
--
2.34.1






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