From patchwork Fri May 29 12:53:44 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bruce Richardson X-Patchwork-Id: 4973 Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id 97EC99AD8; Fri, 29 May 2015 14:53:53 +0200 (CEST) Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by dpdk.org (Postfix) with ESMTP id A9A095A87 for ; Fri, 29 May 2015 14:53:51 +0200 (CEST) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga102.jf.intel.com with ESMTP; 29 May 2015 05:53:51 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.13,517,1427785200"; d="scan'208";a="733677925" Received: from irvmail001.ir.intel.com ([163.33.26.43]) by fmsmga002.fm.intel.com with ESMTP; 29 May 2015 05:53:49 -0700 Received: from sivswdev01.ir.intel.com (sivswdev01.ir.intel.com [10.237.217.45]) by irvmail001.ir.intel.com (8.14.3/8.13.6/MailSET/Hub) with ESMTP id t4TCrm6W031833; Fri, 29 May 2015 13:53:48 +0100 Received: from sivswdev01.ir.intel.com (localhost [127.0.0.1]) by sivswdev01.ir.intel.com with ESMTP id t4TCrmK2006622; Fri, 29 May 2015 13:53:48 +0100 Received: (from bricha3@localhost) by sivswdev01.ir.intel.com with id t4TCrm8M006618; Fri, 29 May 2015 13:53:48 +0100 From: Bruce Richardson To: dev@dpdk.org Date: Fri, 29 May 2015 13:53:44 +0100 Message-Id: <1432904027-6578-2-git-send-email-bruce.richardson@intel.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1432904027-6578-1-git-send-email-bruce.richardson@intel.com> References: <1432904027-6578-1-git-send-email-bruce.richardson@intel.com> Subject: [dpdk-dev] [PATCH 1/4] eal: fix compile on Fedora 22 (GCC 5.1) X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On Fedora 22, with GCC 5.1, errors are reported due to array accesses being potentially out of bounds. This commit fixes this by adding in an extra bounds check to the loop counter. Signed-off-by: Bruce Richardson --- lib/librte_eal/linuxapp/eal/eal_memory.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/lib/librte_eal/linuxapp/eal/eal_memory.c b/lib/librte_eal/linuxapp/eal/eal_memory.c index 5f9f92e..744635f 100644 --- a/lib/librte_eal/linuxapp/eal/eal_memory.c +++ b/lib/librte_eal/linuxapp/eal/eal_memory.c @@ -1188,7 +1188,8 @@ rte_eal_hugepage_init(void) int socket = tmp_hp[i].socket_id; /* find a hugepage info with right size and increment num_pages */ - for (j = 0; j < (int) internal_config.num_hugepage_sizes; j++) { + for (j = 0; j < (int) internal_config.num_hugepage_sizes && + j < MAX_HUGEPAGE_SIZES; j++) { if (tmp_hp[i].size == internal_config.hugepage_info[j].hugepage_sz) { #ifdef RTE_EAL_SINGLE_FILE_SEGMENTS