diff options
Diffstat (limited to 'tools/testing/selftests/rtc/rtctest.c')
| -rw-r--r-- | tools/testing/selftests/rtc/rtctest.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/tools/testing/selftests/rtc/rtctest.c b/tools/testing/selftests/rtc/rtctest.c index 92c403558dc5..845f07733216 100644 --- a/tools/testing/selftests/rtc/rtctest.c +++ b/tools/testing/selftests/rtc/rtctest.c @@ -11,6 +11,7 @@ #include <stdio.h> #include <stdlib.h> #include <sys/ioctl.h> +#include <sys/stat.h> #include <sys/time.h> #include <sys/types.h> #include <time.h> @@ -324,6 +325,8 @@ __constructor_order_last(void) int main(int argc, char **argv) { + struct stat st; + switch (argc) { case 2: rtc_file = argv[1]; @@ -335,5 +338,10 @@ int main(int argc, char **argv) return 1; } + if (stat(rtc_file, &st) < 0 || !S_ISCHR(st.st_mode)) { + printf("no RTC present\n"); + return 0; + } + return test_harness_run(argc, argv); } |