kern/127316: commit references a PR

[dfilter service]

The following reply was made to PR kern/127316; it has been noted by GNATS.

From: dfilter at FreeBSD.ORG (dfilter service)
To: bug-followup at FreeBSD.org
Cc:  
Subject: Re: kern/127316: commit references a PR
Date: Sat, 31 Oct 2009 17:28:20 +0000 (UTC)

 Author: mav
 Date: Sat Oct 31 17:28:08 2009
 New Revision: 198720
 URL: http://svn.freebsd.org/changeset/base/198720
 
 Log:
   MFC rev. 196893:
   Remove constraint, requiring request data to fulfill controller's alignment
   requirements. It is busdma task, to manage proper alignment by loading
   data to bounce buffers.
   
   PR:		kern/120787, kern/127316
 
 Modified:
   stable/7/sys/   (props changed)
   stable/7/sys/contrib/pf/   (props changed)
   stable/7/sys/dev/ata/ata-dma.c
 
 Modified: stable/7/sys/dev/ata/ata-dma.c
 ==============================================================================
 --- stable/7/sys/dev/ata/ata-dma.c	Sat Oct 31 17:06:36 2009	(r198719)
 +++ stable/7/sys/dev/ata/ata-dma.c	Sat Oct 31 17:28:08 2009	(r198720)
 @@ -233,9 +233,9 @@ ata_dmaload(device_t dev, caddr_t data, 
  	device_printf(dev, "FAILURE - zero length DMA transfer attempted\n");
  	return EIO;
      }
 -    if (((uintptr_t)data & (ch->dma->alignment - 1)) ||
 -	(count & (ch->dma->alignment - 1))) {
 -	device_printf(dev, "FAILURE - non aligned DMA transfer attempted\n");
 +    if (count & (ch->dma->alignment - 1)) {
 +	device_printf(dev, "FAILURE - odd-sized DMA transfer attempt %d %% %d\n",
 +	    count, ch->dma->alignment);
  	return EIO;
      }
      if (count > ch->dma->max_iosize) {
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