Re: [PATCH] selftests/rtc:Fix a resource leak

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On 09/07/2024 23:07:43-0700, Zhu Jun wrote:
> The opened file should be closed before exit, otherwise resource leak
> will occur that this problem was discovered by reading code

Can you elaborate on the leak? All the fds are getting closed on exit.

> 
> Signed-off-by: Zhu Jun <zhujun2@xxxxxxxxxxxxxxxxxxxx>
> ---
>  tools/testing/selftests/rtc/setdate.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/tools/testing/selftests/rtc/setdate.c b/tools/testing/selftests/rtc/setdate.c
> index b303890b3de2..17a00affb0ec 100644
> --- a/tools/testing/selftests/rtc/setdate.c
> +++ b/tools/testing/selftests/rtc/setdate.c
> @@ -65,6 +65,7 @@ int main(int argc, char **argv)
>  	retval = ioctl(fd, RTC_RD_TIME, &current);
>  	if (retval == -1) {
>  		perror("RTC_RD_TIME ioctl");
> +		close(fd);
>  		exit(errno);
>  	}
>  
> -- 
> 2.17.1
> 
> 
> 

-- 
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com




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