linux-kernel - Re: [PATCH] ARM: Convert BUG() to use unreachable()

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:	Tue, 08 Dec 2009 09:07:39 -0800
From:	David Daney <ddaney@...iumnetworks.com>
To:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
CC:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ARM: Convert BUG() to use unreachable()

Uwe Kleine-König wrote:
> Use the new unreachable() macro instead of for(;;);
> 
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
> Cc: David Daney <ddaney@...iumnetworks.com>

This looks fine to me.  The comment is somewhat redundant now, but still 
accurate.

Reviewed-by: David Daney <ddaney@...iumnetworks.com>


> ---
>  arch/arm/kernel/traps.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
> index 3f361a7..25b50c4 100644
> --- a/arch/arm/kernel/traps.c
> +++ b/arch/arm/kernel/traps.c
> @@ -681,7 +681,7 @@ void __attribute__((noreturn)) __bug(const char *file, int line)
>  	*(int *)0 = 0;
>  
>  	/* Avoid "noreturn function does return" */
> -	for (;;);
> +	unreachable();
>  }
>  EXPORT_SYMBOL(__bug);
>  

--
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/