From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ferruh Yigit Subject: [PATCH] kni: fix unused variable compile error Date: Fri, 14 Oct 2016 12:24:40 +0100 Message-ID: <20161014112440.12966-1-ferruh.yigit@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: Ferruh Yigit To: dev@dpdk.org Return-path: Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by dpdk.org (Postfix) with ESMTP id 70D8A590F for ; Fri, 14 Oct 2016 13:24:51 +0200 (CEST) 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" compile error: CC [M] .../lib/librte_eal/linuxapp/kni/kni_misc.o cc1: warnings being treated as errors .../lib/librte_eal/linuxapp/kni/kni_misc.c: In function ‘kni_exit_net’: .../lib/librte_eal/linuxapp/kni/kni_misc.c:113:18: error: unused variable ‘knet’ For some kernel versions mutex_destroy() is macro and does nothing, this cause an unused variable warning for knet which used in mutex_destroy Added unused attribute to the knet variable. Fixes: 93a298b34e1b ("kni: support core id parameter in single threaded mode") Signed-off-by: Ferruh Yigit --- lib/librte_eal/linuxapp/kni/kni_misc.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/lib/librte_eal/linuxapp/kni/kni_misc.c b/lib/librte_eal/linuxapp/kni/kni_misc.c index 3303d9b..497db9b 100644 --- a/lib/librte_eal/linuxapp/kni/kni_misc.c +++ b/lib/librte_eal/linuxapp/kni/kni_misc.c @@ -110,9 +110,11 @@ kni_init_net(struct net *net) static void __net_exit kni_exit_net(struct net *net) { - struct kni_net *knet = net_generic(net, kni_net_id); + struct kni_net *knet __maybe_unused; + knet = net_generic(net, kni_net_id); mutex_destroy(&knet->kni_kthread_lock); + #ifndef HAVE_SIMPLIFIED_PERNET_OPERATIONS kfree(knet); #endif -- 2.7.4