Adds a check to verify if the rtc device file is valid or not and prints a useful error message if the file is not accessible. Signed-off-by: Atul Kumar Pant <atulpant.linux@xxxxxxxxx> --- changes since v5: Updated error message to use strerror(). If the rtc file is invalid, the skip the test. changes since v4: Updated the commit message. changes since v3: Added Linux-kselftest and Linux-kernel mailing lists. changes since v2: Changed error message when rtc file does not exist. changes since v1: Removed check for uid=0 If rtc file is invalid, then exit the test. tools/testing/selftests/rtc/rtctest.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/rtc/rtctest.c b/tools/testing/selftests/rtc/rtctest.c index 630fef735c7e..27b466111885 100644 --- a/tools/testing/selftests/rtc/rtctest.c +++ b/tools/testing/selftests/rtc/rtctest.c @@ -15,6 +15,7 @@ #include <sys/types.h> #include <time.h> #include <unistd.h> +#include <error.h> #include "../kselftest_harness.h" #include "../kselftest.h" @@ -437,7 +438,7 @@ int main(int argc, char **argv) if (access(rtc_file, F_OK) == 0) ret = test_harness_run(argc, argv); else - ksft_exit_fail_msg("[ERROR]: Cannot access rtc file %s - Exiting\n", rtc_file); + ksft_exit_skip("%s: %s\n", rtc_file, strerror(errno)); return ret; } -- 2.25.1