amd64/189668: commit references a PR

[dfilter service]

The following reply was made to PR amd64/189668; it has been noted by GNATS.

From: dfilter at FreeBSD.ORG (dfilter service)
To: bug-followup at FreeBSD.org
Cc:  
Subject: Re: amd64/189668: commit references a PR
Date: Sat, 17 May 2014 02:45:07 +0000 (UTC)

 Author: jhb
 Date: Sat May 17 02:45:04 2014
 New Revision: 266281
 URL: http://svnweb.freebsd.org/changeset/base/266281
 
 Log:
   Clear the data buffer length field when freeing a command structure so that
   it doesn't leak through when the command structure is reused for a user
   command without a data buffer.
   
   PR:		amd64/189668
   Tested by:	Pete Long <pete at nrth.org>
   MFC after:	1 week
 
 Modified:
   head/sys/dev/aac/aac.c
 
 Modified: head/sys/dev/aac/aac.c
 ==============================================================================
 --- head/sys/dev/aac/aac.c	Sat May 17 02:39:20 2014	(r266280)
 +++ head/sys/dev/aac/aac.c	Sat May 17 02:45:04 2014	(r266281)
 @@ -1408,6 +1408,7 @@ aac_release_command(struct aac_command *
  	fwprintf(sc, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, "");
  
  	/* (re)initialize the command/FIB */
 +	cm->cm_datalen = 0;
  	cm->cm_sgtable = NULL;
  	cm->cm_flags = 0;
  	cm->cm_complete = NULL;
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