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

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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>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
This commit is contained in:
Joseph Jang 2024-05-23 18:38:07 -07:00 committed by Shuah Khan
parent 9852d85ec9
commit 1ad999870a
1 changed files with 10 additions and 1 deletions
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11
tools/testing/selftests/rtc/rtctest.c
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@ -412,6 +412,8 @@ TEST_F_TIMEOUT(rtc, alarm_wkalm_set_minute, 65) {
int main(int argc, char **argv)
{
int ret = -1;
switch (argc) {
case 2:
rtc_file = argv[1];
@ -423,5 +425,12 @@ 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;
}