linux-kernel - Re: [PATCH] char: fix sparse shadowed variable warnings in cyclades.c

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] [day] [month] [year] [list]

Message-Id: <1204155600.20280.23.camel@brick>
Date:	Wed, 27 Feb 2008 15:40:00 -0800
From:	Harvey Harrison <harvey.harrison@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] char: fix sparse shadowed variable warnings in
	cyclades.c

On Wed, 2008-02-27 at 15:34 -0800, Andrew Morton wrote:
> On Fri, 22 Feb 2008 10:14:15 -0800
> Harvey Harrison <harvey.harrison@...il.com> wrote:
> 
> Unrelated to your change, but...
> 
> We prefer min_t over casts like this (not sure why, but let's be consistent)
> 
> The reason for this cast is that all this code is using `int' for the
> transfer count (arguably wrong - should use size_t, but that propagates all
> the way to tty_operations.write) but cyclades has
> 
> #define SERIAL_XMIT_SIZE        (min(PAGE_SIZE, 4096))
> 
> which is unsigned on most architectures.
> 
> A possibly-sane fix for all of this is to use min_t in the above then nuke
> the casts.
> 

I'll trace this through and get you a patch.

Harvey



--
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/