From owner-svn-src-all@FreeBSD.ORG  Mon Aug  9 18:10:32 2010
Return-Path: <owner-svn-src-all@FreeBSD.ORG>
Delivered-To: svn-src-all@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id CC26F106567B;
	Mon,  9 Aug 2010 18:10:32 +0000 (UTC)
	(envelope-from jkim@FreeBSD.org)
Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c])
	by mx1.freebsd.org (Postfix) with ESMTP id BB3DD8FC1B;
	Mon,  9 Aug 2010 18:10:32 +0000 (UTC)
Received: from svn.freebsd.org (localhost [127.0.0.1])
	by svn.freebsd.org (8.14.3/8.14.3) with ESMTP id o79IAWha066427;
	Mon, 9 Aug 2010 18:10:32 GMT (envelope-from jkim@svn.freebsd.org)
Received: (from jkim@localhost)
	by svn.freebsd.org (8.14.3/8.14.3/Submit) id o79IAWEL066425;
	Mon, 9 Aug 2010 18:10:32 GMT (envelope-from jkim@svn.freebsd.org)
Message-Id: <201008091810.o79IAWEL066425@svn.freebsd.org>
From: Jung-uk Kim <jkim@FreeBSD.org>
Date: Mon, 9 Aug 2010 18:10:32 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
	svn-src-head@freebsd.org
X-SVN-Group: head
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Cc: 
Subject: svn commit: r211114 - head/sys/compat/x86bios
X-BeenThere: svn-src-all@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: "SVN commit messages for the entire src tree \(except for &quot;
	user&quot; and &quot; projects&quot; \)" <svn-src-all.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-all>,
	<mailto:svn-src-all-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-all>
List-Post: <mailto:svn-src-all@freebsd.org>
List-Help: <mailto:svn-src-all-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-all>,
	<mailto:svn-src-all-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 09 Aug 2010 18:10:32 -0000

Author: jkim
Date: Mon Aug  9 18:10:32 2010
New Revision: 211114
URL: http://svn.freebsd.org/changeset/base/211114

Log:
  Initialize a variable just before its use.

Modified:
  head/sys/compat/x86bios/x86bios.c

Modified: head/sys/compat/x86bios/x86bios.c
==============================================================================
--- head/sys/compat/x86bios/x86bios.c	Mon Aug  9 18:07:15 2010	(r211113)
+++ head/sys/compat/x86bios/x86bios.c	Mon Aug  9 18:10:32 2010	(r211114)
@@ -142,7 +142,6 @@ x86bios_free(void *addr, size_t size)
 	paddr = vtophys(addr);
 	if (paddr >= X86BIOS_MEM_SIZE || (paddr & PAGE_MASK) != 0)
 		return;
-	nfree = atop(round_page(size));
 	mtx_lock(&x86bios_lock);
 	for (i = 0; i < x86bios_vmc.npages; i++)
 		if (x86bios_vmc.pmap[i].kva == (vm_offset_t)addr)
@@ -151,6 +150,7 @@ x86bios_free(void *addr, size_t size)
 		mtx_unlock(&x86bios_lock);
 		return;
 	}
+	nfree = atop(round_page(size));
 	bzero(x86bios_vmc.pmap + i, sizeof(*x86bios_vmc.pmap) * nfree);
 	if (i + nfree == x86bios_vmc.npages) {
 		x86bios_vmc.npages -= nfree;