linux-kernel - Re: [PATCH] tools/power turbostat: fix file descriptor leaks

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Date:   Mon, 8 Apr 2019 13:04:52 -0400
From:   Prarit Bhargava <prarit@...hat.com>
To:     "Gustavo A. R. Silva" <gustavo@...eddedor.com>,
        Len Brown <lenb@...nel.org>
Cc:     linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] tools/power turbostat: fix file descriptor leaks



On 4/8/19 12:12 PM, Gustavo A. R. Silva wrote:
> Fix file descriptor leaks by closing fp before return.
> 
> Addresses-Coverity-ID: 1444591 ("Resource leak")
> Addresses-Coverity-ID: 1444592 ("Resource leak")
> Fixes: 5ea7647b333f ("tools/power turbostat: Warn on bad ACPI LPIT data")
> Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>

Reviewed-by: Prarit Bhargava <prarit@...hat.com>

P.

> ---
>  tools/power/x86/turbostat/turbostat.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
> index c7727be9719f..78d9acba8e9b 100644
> --- a/tools/power/x86/turbostat/turbostat.c
> +++ b/tools/power/x86/turbostat/turbostat.c
> @@ -2924,6 +2924,7 @@ int snapshot_cpu_lpi_us(void)
>  	if (retval != 1) {
>  		fprintf(stderr, "Disabling Low Power Idle CPU output\n");
>  		BIC_NOT_PRESENT(BIC_CPU_LPI);
> +		fclose(fp);
>  		return -1;
>  	}
>  
> @@ -2950,6 +2951,7 @@ int snapshot_sys_lpi_us(void)
>  	if (retval != 1) {
>  		fprintf(stderr, "Disabling Low Power Idle System output\n");
>  		BIC_NOT_PRESENT(BIC_SYS_LPI);
> +		fclose(fp);
>  		return -1;
>  	}
>  	fclose(fp);
>