[LTP] [PATCH v2 1/2] lib: tst_rtctime: close RTC fd on the ioctl() error path

[Andrea Cervesato]

Hi Kuba,

>  	ret = ioctl(rtc_fd, request, rtc_tm);
>  
> -	if (ret != 0)
> -		return -1;
> +	if (ret != 0) {
> +		int saved_errno = errno;
>  
> -	if (rtc_fd > 0)
>  		SAFE_CLOSE(rtc_fd);
> +		errno = saved_errno;
> +		return -1;
> +	}
> +
> +	SAFE_CLOSE(rtc_fd);
>  
>  	return 0;
>  }

Why do we need to store the errno? Simply call SAFE_CLOSE() before
returning -1. If SAFE_CLOSE() fails, test will break anyway..

--
Andrea Cervesato
SUSE QE Automation Engineer Linux
andrea.cervesato@suse.com