From owner-svn-src-user@FreeBSD.ORG  Wed Aug 24 07:28:05 2011
Return-Path: <owner-svn-src-user@FreeBSD.ORG>
Delivered-To: svn-src-user@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 0DC311065673;
	Wed, 24 Aug 2011 07:28:05 +0000 (UTC)
	(envelope-from adrian@FreeBSD.org)
Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c])
	by mx1.freebsd.org (Postfix) with ESMTP id EB97A8FC14;
	Wed, 24 Aug 2011 07:28:04 +0000 (UTC)
Received: from svn.freebsd.org (localhost [127.0.0.1])
	by svn.freebsd.org (8.14.4/8.14.4) with ESMTP id p7O7S4L8038665;
	Wed, 24 Aug 2011 07:28:04 GMT (envelope-from adrian@svn.freebsd.org)
Received: (from adrian@localhost)
	by svn.freebsd.org (8.14.4/8.14.4/Submit) id p7O7S4bO038663;
	Wed, 24 Aug 2011 07:28:04 GMT (envelope-from adrian@svn.freebsd.org)
Message-Id: <201108240728.p7O7S4bO038663@svn.freebsd.org>
From: Adrian Chadd <adrian@FreeBSD.org>
Date: Wed, 24 Aug 2011 07:28:04 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-user@freebsd.org
X-SVN-Group: user
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Cc: 
Subject: svn commit: r225133 - user/adrian/if_ath_tx/sys/dev/ath
X-BeenThere: svn-src-user@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: "SVN commit messages for the experimental &quot; user&quot;
	src tree" <svn-src-user.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-user>,
	<mailto:svn-src-user-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-user>
List-Post: <mailto:svn-src-user@freebsd.org>
List-Help: <mailto:svn-src-user-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-user>,
	<mailto:svn-src-user-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 24 Aug 2011 07:28:08 -0000

Author: adrian
Date: Wed Aug 24 07:28:04 2011
New Revision: 225133
URL: http://svn.freebsd.org/changeset/base/225133

Log:
  The descriptor + link is going to be updated anyway; so there's no need
  to copy the descriptors into the cloned buffer.

Modified:
  user/adrian/if_ath_tx/sys/dev/ath/if_ath.c

Modified: user/adrian/if_ath_tx/sys/dev/ath/if_ath.c
==============================================================================
--- user/adrian/if_ath_tx/sys/dev/ath/if_ath.c	Wed Aug 24 06:59:59 2011	(r225132)
+++ user/adrian/if_ath_tx/sys/dev/ath/if_ath.c	Wed Aug 24 07:28:04 2011	(r225133)
@@ -1940,14 +1940,9 @@ ath_buf_clone(struct ath_softc *sc, cons
 
 	/* NOTE: DMA segments will be setup by the setup/chain functions */
 
-	/*
-	 * Copy the descriptor contents - just the active
-	 * number of segments.
-	 */
-	memcpy(tbf->bf_desc, bf->bf_desc,
-	    bf->bf_nseg * sizeof(struct ath_desc));
+	/* The caller has to re-init the descriptor + links */
 
-	/* Copy status */
+	/* Copy state */
 	memcpy(&tbf->bf_state, &bf->bf_state, sizeof(bf->bf_state));
 
 	return tbf;