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[209.132.180.67]) by mx.google.com with ESMTP id j64si15717605pge.556.2019.07.15.02.28.40; Mon, 15 Jul 2019 02:28:41 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729656AbfGOJ2j (ORCPT + 29 others); Mon, 15 Jul 2019 05:28:39 -0400 Received: from mout.kundenserver.de ([212.227.126.187]:34757 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729487AbfGOJ2j (ORCPT ); Mon, 15 Jul 2019 05:28:39 -0400 Received: from threadripper.lan ([149.172.19.189]) by mrelayeu.kundenserver.de (mreue012 [212.227.15.129]) with ESMTPA (Nemesis) id 1N1cvQ-1iSrg40HAu-011ysw; Mon, 15 Jul 2019 11:28:12 +0200 From: Arnd Bergmann To: Peter Zijlstra , Ingo Molnar , Will Deacon Cc: Arnd Bergmann , Qian Cai , Yuyang Du , Andrew Morton , Linus Torvalds , "Paul E. McKenney" , Thomas Gleixner , Will Deacon , frederic@kernel.org, Ingo Molnar , Bart Van Assche , Waiman Long , linux-kernel@vger.kernel.org Subject: [PATCH] locking/lockdep: hide unused 'class' variable Date: Mon, 15 Jul 2019 11:27:49 +0200 Message-Id: <20190715092809.736834-1-arnd@arndb.de> X-Mailer: git-send-email 2.20.0 MIME-Version: 1.0 X-Provags-ID: V03:K1:wZfW9h1qpdFpJ4IpaPX7d0kXx4FD5/38Kk/764IrBkHKfldxQKY ugCf+FDOZLmnZfoVoJa/wOEI/nwzr59F3Dhtb50i6IvjAAoZgK5H7Q4ZrjUtzn19wnZ7h9S RUXJG2ERKsgAMmPOqXI96d5nMWgmtiIedzF3d5z/a/BZ8F7cAJ1WHCm7Cd7o4F9JeF/aJp3 SJqihu1wl4HTqK9Ro19eA== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1; V03:K0:mni9IFMBseU=:K+uZJ5nr/DZWB5GJmnsDls DnmwxopoOaRB00WdcDYzRFwkIw6dMLTefYSbxWwagwCMkx9ZfIltqXSuPw0tlLW2X4Lw8TnXZ MitLXKpcdPv+CcHFDrnntsgNn2cCXDvGe6KFXYfXhu3dHTxOZ4RBTHOnrNS/evYc1uERJzos1 4fQ3SVvY9qJ4CIBt2NamS/8S9EJkxwzhoGBygRG70iL8VYCWIEgo76ccrwah/HtuVxV3ZOS/+ kkVhMNgis9MGC6jwnbFA5BTafhKoTZs+2W11oXwD6JGqpR3nMR8v9aY+53VyDGSaFUllWsDtO RzUExDovWCPv78zkuUCTKTHyFL/nD8x9O0XUPLswifAhq+Lx96+VNIAgjlhz9dRJmcjEYVNGF rwSLcvE7NPkTz2vld1yxrGbX8p1juz0b+H/cvmVSbYyLzvtEm2i2q/yuoFqdy9RIAVAdEaeTU ccgvbbigJCaFywo89+G+0WPTBwIhnczy88ALhIje8bh0yWFbthn7RqXJ0pZImxDdDj+54km/0 nWrpU/nAMDgzzd1eQW0qcyC7vc8NKqfvXfik4iEXfNGzD9k2pTE9Oc45VQdVbNlxvKVlF6Bhs nk7ktw5nuzCHjU3YNxbJPRQyvDxlWXe1LOerLujjzgWdTLcqxXUMUx1jkppxv+/rGtuJ4Fk8h fVOy2wIlJrnwQ3/04VVf5ybO8qu977QsggE+VTDPL4uVXSN8f9/CVIloQBFB5B4v6UcLgrbuw 4hNdeTB5XuALsY99JNANic4aANgvxlP2adxhrw== Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The usage is now hidden in an #ifdef, so we need to move the variable itself in there as well to avoid this warning: kernel/locking/lockdep_proc.c:203:21: error: unused variable 'class' [-Werror,-Wunused-variable] Fixes: 68d41d8c94a3 ("locking/lockdep: Fix lock used or unused stats error") Signed-off-by: Arnd Bergmann --- kernel/locking/lockdep_proc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) -- 2.20.0 diff --git a/kernel/locking/lockdep_proc.c b/kernel/locking/lockdep_proc.c index 65b6a1600c8f..bda006f8a88b 100644 --- a/kernel/locking/lockdep_proc.c +++ b/kernel/locking/lockdep_proc.c @@ -200,7 +200,6 @@ static void lockdep_stats_debug_show(struct seq_file *m) static int lockdep_stats_show(struct seq_file *m, void *v) { - struct lock_class *class; unsigned long nr_unused = 0, nr_uncategorized = 0, nr_irq_safe = 0, nr_irq_unsafe = 0, nr_softirq_safe = 0, nr_softirq_unsafe = 0, @@ -211,6 +210,8 @@ static int lockdep_stats_show(struct seq_file *m, void *v) sum_forward_deps = 0; #ifdef CONFIG_PROVE_LOCKING + struct lock_class *class; + list_for_each_entry(class, &all_lock_classes, lock_entry) { if (class->usage_mask == 0)