From patchwork Fri Mar 3 22:40:44 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nitin Gupta X-Patchwork-Id: 735250 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3vZkgP5Y2kz9s3v for ; Sat, 4 Mar 2017 09:41:21 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752139AbdCCWlV (ORCPT ); Fri, 3 Mar 2017 17:41:21 -0500 Received: from aserp1040.oracle.com ([141.146.126.69]:43409 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752047AbdCCWlU (ORCPT ); Fri, 3 Mar 2017 17:41:20 -0500 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id v23Mf3Rh010951 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 3 Mar 2017 22:41:03 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0021.oracle.com (8.14.4/8.14.4) with ESMTP id v23Mf2s5010538 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 3 Mar 2017 22:41:02 GMT Received: from abhmp0012.oracle.com (abhmp0012.oracle.com [141.146.116.18]) by userv0121.oracle.com (8.14.4/8.13.8) with ESMTP id v23Mf19E021056; Fri, 3 Mar 2017 22:41:01 GMT Received: from ca-qasparc20.us.oracle.com (/10.147.24.73) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Fri, 03 Mar 2017 14:41:00 -0800 From: Nitin Gupta To: "David S. Miller" Cc: Nitin Gupta , "David S. Miller" , "Kirill A. Shutemov" , Andrew Morton , Stephen Rothwell , Mike Kravetz , Ingo Molnar , sparclinux@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] sparc64: Fix size check in huge_pte_alloc Date: Fri, 3 Mar 2017 14:40:44 -0800 Message-Id: <1488580854-92578-1-git-send-email-nitin.m.gupta@oracle.com> X-Mailer: git-send-email 1.7.1 X-Source-IP: userv0021.oracle.com [156.151.31.71] Sender: sparclinux-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: sparclinux@vger.kernel.org Signed-off-by: Nitin Gupta --- arch/sparc/mm/hugetlbpage.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/sparc/mm/hugetlbpage.c b/arch/sparc/mm/hugetlbpage.c index 323bc6b..3016850 100644 --- a/arch/sparc/mm/hugetlbpage.c +++ b/arch/sparc/mm/hugetlbpage.c @@ -261,7 +261,7 @@ pte_t *huge_pte_alloc(struct mm_struct *mm, if (!pmd) return NULL; - if (sz == PMD_SHIFT) + if (sz >= PMD_SIZE) pte = (pte_t *)pmd; else pte = pte_alloc_map(mm, pmd, addr);