linux-kernel - Re: [PATCH RESEND] x86: kernel/microcode_core.c simple

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 for Android: free password hash cracker in your pocket

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

Message-ID: <20120507104943.GA3896@x1.osrc.amd.com>
Date:	Mon, 7 May 2012 12:49:43 +0200
From:	Borislav Petkov <bp@...en8.de>
To:	Shuah Khan <shuahkhan@...il.com>
Cc:	mingo@...hat.com, hpa@...or.com, tglx@...utronix.de,
	tigran@...azian.fsnet.co.uk,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH RESEND] x86: kernel/microcode_core.c simple_strtoul
 cleanup

On Sun, May 06, 2012 at 11:11:04AM -0600, Shuah Khan wrote:
> Change reload_for_cpu() in kernel/microcode_core.c to call kstrtoul()
> instead of calling obsoleted simple_strtoul().
> 
> Signed-off-by: Shuah Khan <shuahkhan@...il.com>

Ok, much better, thanks.

@Ingo: I'll pick this one up unless you want to do that :-).

> ---
>  arch/x86/kernel/microcode_core.c |    9 ++++-----
>  1 file changed, 4 insertions(+), 5 deletions(-)
> 
> diff --git a/arch/x86/kernel/microcode_core.c b/arch/x86/kernel/microcode_core.c
> index c9bda6d..fbdfc69 100644
> --- a/arch/x86/kernel/microcode_core.c
> +++ b/arch/x86/kernel/microcode_core.c
> @@ -299,12 +299,11 @@ static ssize_t reload_store(struct device *dev,
>  {
>  	unsigned long val;
>  	int cpu = dev->id;
> -	int ret = 0;
> -	char *end;
> +	ssize_t ret = 0;
>  
> -	val = simple_strtoul(buf, &end, 0);
> -	if (end == buf)
> -		return -EINVAL;
> +	ret = kstrtoul(buf, 0, &val);
> +	if (ret)
> +		return ret;
>  
>  	if (val == 1) {
>  		get_online_cpus();
> -- 
> 1.7.9.5

-- 
Regards/Gruss,
Boris.
--
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/