Re: [PATCH v6] selftests: rtc: Fixes rtctest error handling.

[Atul Kumar Pant <atulpant.linux@gmail.com>]

On Thu, Aug 17, 2023 at 02:44:01PM +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 <atulpant.linux@gmail.com>
> ---
> 
> 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
> 

	Hi Shuah, I have made the changes as per your comments. Can you please
	review the changes ?
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