linux-kernel - Re: [PATCH v2 5/6] RISC-V: Do no continue isa string parsing without correct XLEN

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <877da2xu32.fsf@igel.home>
Date:   Thu, 10 Feb 2022 22:58:09 +0100
From:   Andreas Schwab <schwab@...ux-m68k.org>
To:     Atish Patra <atishp@...osinc.com>
Cc:     linux-kernel@...r.kernel.org, Albert Ou <aou@...s.berkeley.edu>,
        Atish Patra <atishp@...shpatra.org>,
        Anup Patel <anup@...infault.org>,
        Damien Le Moal <damien.lemoal@....com>,
        devicetree@...r.kernel.org, Jisheng Zhang <jszhang@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        linux-riscv@...ts.infradead.org,
        Palmer Dabbelt <palmer@...belt.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Rob Herring <robh+dt@...nel.org>
Subject: Re: [PATCH v2 5/6] RISC-V: Do no continue isa string parsing
 without correct XLEN

On Feb 10 2022, Atish Patra wrote:

> diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c
> index 469b9739faf7..cca579bae8a0 100644
> --- a/arch/riscv/kernel/cpufeature.c
> +++ b/arch/riscv/kernel/cpufeature.c
> @@ -84,6 +84,7 @@ void __init riscv_fill_hwcap(void)
>  	for_each_of_cpu_node(node) {
>  		unsigned long this_hwcap = 0;
>  		uint64_t this_isa = 0;
> +		char *temp;
>  
>  		if (riscv_of_processor_hartid(node) < 0)
>  			continue;
> @@ -93,6 +94,7 @@ void __init riscv_fill_hwcap(void)
>  			continue;
>  		}
>  
> +		temp = (char *)isa;

There should be no need for this cast.

-- 
Andreas Schwab, schwab@...ux-m68k.org
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510  2552 DF73 E780 A9DA AEC1
"And now for something completely different."