From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by dpdk.space (Postfix) with ESMTP id F0BEFA00E6 for ; Tue, 16 Apr 2019 18:31:55 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id AC29F1B521; Tue, 16 Apr 2019 18:31:55 +0200 (CEST) Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by dpdk.org (Postfix) with ESMTP id CE6961B521; Tue, 16 Apr 2019 18:31:53 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 16 Apr 2019 09:31:52 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.60,358,1549958400"; d="scan'208";a="338023624" Received: from fyigit-mobl.ger.corp.intel.com (HELO [10.237.221.46]) ([10.237.221.46]) by fmsmga006.fm.intel.com with ESMTP; 16 Apr 2019 09:31:51 -0700 To: David Christensen , thomas@monjalon.net, arybchenko@solarflare.com Cc: dev@dpdk.org, radhika.chirra@ibm.com, stable@dpdk.org References: <1554927376-93022-1-git-send-email-drc@linux.vnet.ibm.com> <1554932214-96522-1-git-send-email-drc@linux.vnet.ibm.com> From: Ferruh Yigit Openpgp: preference=signencrypt Autocrypt: addr=ferruh.yigit@intel.com; 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WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <1554932214-96522-1-git-send-email-drc@linux.vnet.ibm.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Subject: Re: [dpdk-stable] [PATCH v2] ethdev: missing typecast causes C++ build error X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org Sender: "stable" On 4/10/2019 10:36 PM, David Christensen wrote: > The function eth_dev_pci_specific_init is missing a typecast to > (struct rte_pci_device *) for the input argument bus_device. > This causes build issues in the GNU C++ compiler. > > [CXX] g++ -o utils/pcap_handle.o -c utils/pcap_handle.cc -g3· > -ggdb3 -mcpu=native -mtune=native -isystem· > /home/rchirra/gen/io/ppc64include -std=gnu++11 -flax-vector-conversions· > -Werror -isystem /home/rchirra/gen/io > > In file included from drivers/pmd.cc:7:0: > /home/rchirra/gen/io/deps/dpdk/build/include/rte_ethdev_pci.h: > In function ‘int eth_dev_pci_specific_init(rte_eth_dev*, void*)’: > /home/rchirra/gen/io/deps/dpdk/build/include/rte_ethdev_pci.h:75:35:· > error: invalid conversion from ‘void*’ to ‘rte_pci_device*’ > [-fpermissive] > struct rte_pci_device *pci_dev = bus_device; > ^~~~~~~~~~ > make[1]: *** [drivers/pmd.o] Error 1 > > $ g++ --version > g++ (Ubuntu 7.3.0-27ubuntu1~18.04) 7.3.0 This problem is while building a driver with c++ compiler, but since the solution is a simple casting, which doesn't have any side affect, I am for getting the patch, any objection? > > Cc: stable@dpdk.org > > Signed-off-by: David Christensen > Tested-by: Radhika Chirra > --- > v2: > * Mmodified subject line to indicate a C++ compiler issue > * Added error output from the compiler > > lib/librte_ethdev/rte_ethdev_pci.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/lib/librte_ethdev/rte_ethdev_pci.h b/lib/librte_ethdev/rte_ethdev_pci.h > index 23257e9..a325311 100644 > --- a/lib/librte_ethdev/rte_ethdev_pci.h > +++ b/lib/librte_ethdev/rte_ethdev_pci.h > @@ -72,7 +72,7 @@ > > static inline int > eth_dev_pci_specific_init(struct rte_eth_dev *eth_dev, void *bus_device) { > - struct rte_pci_device *pci_dev = bus_device; > + struct rte_pci_device *pci_dev = (struct rte_pci_device *)bus_device; > > if (!pci_dev) > return -ENODEV; >