linux-kernel - Re: [PATCH] cciss: fix reporting of scsi status again.

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Message-ID: <20091218114137.GP4489@kernel.dk>
Date:	Fri, 18 Dec 2009 12:41:37 +0100
From:	Jens Axboe <jens.axboe@...cle.com>
To:	"Stephen M. Cameron" <scameron@...rdog.cce.hp.com>
Cc:	James.Bottomley@...senPartnership.com, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org, mikem@...rdog.cce.hp.com,
	linux-scsi@...r.kernel.org, smcameron@...oo.com
Subject: Re: [PATCH] cciss: fix reporting of scsi status again.

On Thu, Dec 17 2009, Stephen M. Cameron wrote:
> From: Stephen M. Cameron <scameron@...rdog.cce.hp.com>
> 
> cciss: fix reporting of scsi status again.  This reverts an earlier
> attempt to fix the status byte reporting.  The status byte does
> not need to be shifted << 1.  Code like "scp-result |= CHECK_CONDITION << 1"
> in other drivers works because CHECK_CONDITION is 0x01, not 0x02 --
> CHECK_CONDITION is pre-shifted to the right 1 bit for some reason.

What's this against? Current -git (2.6.33-rc1) already looks correct.

> 
> Signed-off-by: Stephen M. Cameron <scameron@...rdog.cce.hp.com>
> ---
>  drivers/block/cciss_scsi.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/block/cciss_scsi.c b/drivers/block/cciss_scsi.c
> index 75a9ca9..0634ec7 100644
> --- a/drivers/block/cciss_scsi.c
> +++ b/drivers/block/cciss_scsi.c
> @@ -728,7 +728,7 @@ complete_scsi_command( CommandList_struct *cp, int timeout, __u32 tag)
>  
>  	cmd->result = (DID_OK << 16); 		/* host byte */
>  	cmd->result |= (COMMAND_COMPLETE << 8);	/* msg byte */
> -	cmd->result |= (ei->ScsiStatus << 1);
> +	cmd->result |= ei->ScsiStatus;
>  	/* printk("Scsistatus is 0x%02x\n", ei->ScsiStatus);  */
>  
>  	/* copy the sense data whether we need to or not. */
> 

-- 
Jens Axboe

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