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 <[email protected]>
---
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 | 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 63ce02d1d5cc..630fef735c7e 100644
--- a/tools/testing/selftests/rtc/rtctest.c
+++ b/tools/testing/selftests/rtc/rtctest.c
@@ -17,6 +17,7 @@
#include <unistd.h>
#include "../kselftest_harness.h"
+#include "../kselftest.h"
#define NUM_UIE 3
#define ALARM_DELTA 3
@@ -419,6 +420,8 @@ __constructor_order_last(void)
int main(int argc, char **argv)
{
+ int ret = -1;
+
switch (argc) {
case 2:
rtc_file = argv[1];
@@ -430,5 +433,11 @@ int main(int argc, char **argv)
return 1;
}
- return test_harness_run(argc, argv);
+ // Run the test if rtc_file is valid
+ 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);
+
+ return ret;
}
--
2.25.1
On 17/07/2023 23:22:51+0530, Atul Kumar Pant wrote:
> 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 <[email protected]>
Please collect and keep the tags you got on previous versions
> ---
>
> 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 | 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 63ce02d1d5cc..630fef735c7e 100644
> --- a/tools/testing/selftests/rtc/rtctest.c
> +++ b/tools/testing/selftests/rtc/rtctest.c
> @@ -17,6 +17,7 @@
> #include <unistd.h>
>
> #include "../kselftest_harness.h"
> +#include "../kselftest.h"
>
> #define NUM_UIE 3
> #define ALARM_DELTA 3
> @@ -419,6 +420,8 @@ __constructor_order_last(void)
>
> int main(int argc, char **argv)
> {
> + int ret = -1;
> +
> switch (argc) {
> case 2:
> rtc_file = argv[1];
> @@ -430,5 +433,11 @@ int main(int argc, char **argv)
> return 1;
> }
>
> - return test_harness_run(argc, argv);
> + // Run the test if rtc_file is valid
> + 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);
> +
> + return ret;
> }
> --
> 2.25.1
>
--
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com