linux-kernel - Re: [PATCH 1/1] aacraid: don't assign cpu_to

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Message-ID: <20071107173307.GB25560@infradead.org>
Date:	Wed, 7 Nov 2007 17:33:07 +0000
From:	Christoph Hellwig <hch@...radead.org>
To:	"Salyzyn, Mark" <mark_salyzyn@...ptec.com>
Cc:	Andreas Schwab <schwab@...e.de>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-scsi@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/1] aacraid: don't assign cpu_to_le32(int) to u8

On Wed, Nov 07, 2007 at 10:58:12AM -0500, Salyzyn, Mark wrote:
> Good point, thanks. The intent of the management applications
> utilization of this AIF report is to observe the LSB of the value of
> integer value in BlinkLED. The actions of the cpu_to_le32 actually
> breaks this and reports the wrong content in swapped architectures.
> 
> This attached follow-up patch is against current scsi-misc-2.6 *after*
> the application of the 'don't assign cpu_to_le32(constant) to u8' patch
> submitted by Stephen Rothwell which has already been taken by the -mm
> tree. Inspection of other areas of the aacraid driver came up blank for
> similar style bugs.

Did anyone run the driver through sparse to see if we have more issues like
this?

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