linux-kernel - Re: [PATCH] riscv/efi_stub: Fix get_boot_hartid_from

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]

Date:   Mon, 14 Feb 2022 10:12:48 +0100
From:   Andreas Schwab <schwab@...ux-m68k.org>
To:     Sunil V L <sunilvl@...tanamicro.com>
Cc:     Ard Biesheuvel <ardb@...nel.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Atish Patra <atishp@...shpatra.org>, linux-efi@...r.kernel.org,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Heinrich Schuchardt <xypron.glpk@....de>,
        Anup Patel <apatel@...tanamicro.com>, stable@...r.kernel.org
Subject: Re: [PATCH] riscv/efi_stub: Fix get_boot_hartid_from_fdt() return
 value

On Jan 28 2022, Sunil V L wrote:

> diff --git a/drivers/firmware/efi/libstub/riscv-stub.c b/drivers/firmware/efi/libstub/riscv-stub.c
> index 380e4e251399..9c460843442f 100644
> --- a/drivers/firmware/efi/libstub/riscv-stub.c
> +++ b/drivers/firmware/efi/libstub/riscv-stub.c
> @@ -25,7 +25,7 @@ typedef void __noreturn (*jump_kernel_func)(unsigned int, unsigned long);
>  
>  static u32 hartid;
>  
> -static u32 get_boot_hartid_from_fdt(void)
> +static int get_boot_hartid_from_fdt(void)

I think the function should be renamed, now that it no longer returns
the hart ID, but initializes a static variable as a side effect.  Thus
it no longer "gets", but "sets".

-- 
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."