linux-kernel - Re: [PATCH]drivers/ata/libata-eh.c:1509 unneeded memset()

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Date:	Thu, 07 Jan 2010 14:15:11 -0500
From:	Jeff Garzik <jgarzik@...ox.com>
To:	René Bolldorf <xsecute@...glemail.com>
CC:	linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-scsi <linux-scsi@...r.kernel.org>
Subject: Re: [PATCH]drivers/ata/libata-eh.c:1509 unneeded memset()

On 12/30/2009 05:59 PM, René Bolldorf wrote:
> We don't need this ;-).
>
> Best regards René Bolldorf & a happy new year in advance.
>
> --- ./drivers/ata/libata-eh.c 2009-12-30 23:44:05.578988545 +0100
> +++ ./drivers/ata/libata-eh.c 2009-12-30 23:45:06.991987607 +0100
> @@ -1505,9 +1505,6 @@ static unsigned int atapi_eh_request_sen
>
> DPRINTK("ATAPI request sense\n");
>
> - /* FIXME: is this needed? */
> - memset(sense_buf, 0, SCSI_SENSE_BUFFERSIZE);

I need a little bit more detail than an unqualified statement...  Did 
you audit all paths leading to this code point?

	Jeff


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