linux-kernel - Re: [PATCH v2 14/22] arm64: Cleanup HWCAP handling

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:	Thu, 8 Oct 2015 12:10:00 +0100
From:	Catalin Marinas <catalin.marinas@....com>
To:	"Suzuki K. Poulose" <suzuki.poulose@....com>
Cc:	linux-arm-kernel@...ts.infradead.org, mark.rutland@....com,
	Vladimir.Murzin@....com, steve.capper@...aro.org,
	ard.biesheuvel@...aro.org, marc.zyngier@....com,
	will.deacon@....com, linux-kernel@...r.kernel.org,
	edward.nevill@...aro.org, aph@...hat.com, james.morse@....com,
	andre.przywara@....com, dave.martin@....com
Subject: Re: [PATCH v2 14/22] arm64: Cleanup HWCAP handling

On Mon, Oct 05, 2015 at 06:02:03PM +0100, Suzuki K. Poulose wrote:
> +static bool cpus_have_hwcap(const struct arm64_cpu_capabilities *cap)
> +{
> +	switch(cap->hwcap_type) {
> +	case CAP_HWCAP:
> +		return !!(elf_hwcap & cap->hwcap);
> +#ifdef CONFIG_COMPAT
> +	case CAP_COMPAT_HWCAP:
> +		return !!(compat_elf_hwcap & (u32)cap->hwcap);
> +	case CAP_COMPAT_HWCAP2:
> +		return !!(compat_elf_hwcap2 & (u32)cap->hwcap);
> +#endif
> +	default:
> +		BUG();
> +		return false;
> +	}
> +}

Apart from the multiple returns, you don't really need !! since the
return type is bool already.

-- 
Catalin
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/