From patchwork Wed Dec 10 02:38:19 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Zhang, Helin" X-Patchwork-Id: 1911 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 52A547E7C; Wed, 10 Dec 2014 03:38:31 +0100 (CET) Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by dpdk.org (Postfix) with ESMTP id D3EDA7E79 for ; Wed, 10 Dec 2014 03:38:26 +0100 (CET) Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga101.jf.intel.com with ESMTP; 09 Dec 2014 18:38:25 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.07,549,1413270000"; d="scan'208";a="621338344" Received: from shvmail01.sh.intel.com ([10.239.29.42]) by orsmga001.jf.intel.com with ESMTP; 09 Dec 2014 18:38:25 -0800 Received: from shecgisg004.sh.intel.com (shecgisg004.sh.intel.com [10.239.29.89]) by shvmail01.sh.intel.com with ESMTP id sBA2cMb7003164; Wed, 10 Dec 2014 10:38:22 +0800 Received: from shecgisg004.sh.intel.com (localhost [127.0.0.1]) by shecgisg004.sh.intel.com (8.13.6/8.13.6/SuSE Linux 0.8) with ESMTP id sBA2cKbC004905; Wed, 10 Dec 2014 10:38:22 +0800 Received: (from hzhan75@localhost) by shecgisg004.sh.intel.com (8.13.6/8.13.6/Submit) id sBA2cKoq004901; Wed, 10 Dec 2014 10:38:20 +0800 From: Helin Zhang To: dev@dpdk.org Date: Wed, 10 Dec 2014 10:38:19 +0800 Message-Id: <1418179099-4822-1-git-send-email-helin.zhang@intel.com> X-Mailer: git-send-email 1.7.4.1 Subject: [dpdk-dev] [PATCH] igb_uio: kernel version check for using kstrtoul or strict_strtoul 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" strict_strtoul() was just a redefinition of kstrtoul() for a long time. From kernel version of 3.18, strict_strtoul() will not be defined at all. A compile time kernel version check is needed to decide which function or macro can be used for a specific version of kernel. Signed-off-by: Helin Zhang --- lib/librte_eal/linuxapp/igb_uio/igb_uio.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c index d1ca26e..2fcc5f4 100644 --- a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c +++ b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c @@ -83,7 +83,11 @@ store_max_vfs(struct device *dev, struct device_attribute *attr, unsigned long max_vfs; struct pci_dev *pdev = container_of(dev, struct pci_dev, dev); +#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 2, 0) if (0 != strict_strtoul(buf, 0, &max_vfs)) +#else + if (0 != kstrtoul(buf, 0, &max_vfs)) +#endif return -EINVAL; if (0 == max_vfs)