linux-kernel - Re: drivers/char/synclink_gt.c: chars don't have more than 8 bits

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Message-ID: <44EFB6B2.205@microgate.com>
Date:	Fri, 25 Aug 2006 21:49:22 -0500
From:	Paul Fulghum <paulkf@...rogate.com>
To:	Adrian Bunk <bunk@...sta.de>
CC:	linux-kernel@...r.kernel.org
Subject: Re: drivers/char/synclink_gt.c: chars don't have more than 8 bits

Adrian Bunk wrote:
> The GNU C compiler (SVN version) spotted the following buggy code in 
> drivers/char/synclink_gt.c:
> ...
  > Since there are no bits 8 or 9 in a char this code is currently
> dead code.

Yes, that is a bug.

Status and data come in byte pairs, bits 9 and 8 are
referenced from the 16 bit combination.

The code is operating on individual bytes in the buffer,
so it should be bits 1 and 0 that are tested.

I will make a patch and post it.

Thanks,
Paul


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