From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B43D1ECDFB3 for ; Tue, 17 Jul 2018 09:08:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6049E20C0B for ; Tue, 17 Jul 2018 09:08:06 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6049E20C0B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=canonical.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729672AbeGQJjk (ORCPT ); Tue, 17 Jul 2018 05:39:40 -0400 Received: from youngberry.canonical.com ([91.189.89.112]:40485 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728720AbeGQJjk (ORCPT ); Tue, 17 Jul 2018 05:39:40 -0400 Received: from 1.general.cking.uk.vpn ([10.172.193.212] helo=localhost) by youngberry.canonical.com with esmtpsa (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.76) (envelope-from ) id 1ffLxj-0001lX-7c; Tue, 17 Jul 2018 09:08:03 +0000 From: Colin King To: Alexander Viro , linux-fsdevel@vger.kernel.org Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] userfaultfd: remove redundant pointer uwq Date: Tue, 17 Jul 2018 10:08:02 +0100 Message-Id: <20180717090802.18357-1-colin.king@canonical.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Colin Ian King Pointer uwq is being assigned but is never used hence it is redundant and can be removed. Cleans up clang warning: warning: variable 'uwq' set but not used [-Wunused-but-set-variable] Signed-off-by: Colin Ian King --- fs/userfaultfd.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c index 594d192b2331..0bc422ae8a46 100644 --- a/fs/userfaultfd.c +++ b/fs/userfaultfd.c @@ -1847,17 +1847,14 @@ static void userfaultfd_show_fdinfo(struct seq_file *m, struct file *f) { struct userfaultfd_ctx *ctx = f->private_data; wait_queue_entry_t *wq; - struct userfaultfd_wait_queue *uwq; unsigned long pending = 0, total = 0; spin_lock(&ctx->fault_pending_wqh.lock); list_for_each_entry(wq, &ctx->fault_pending_wqh.head, entry) { - uwq = container_of(wq, struct userfaultfd_wait_queue, wq); pending++; total++; } list_for_each_entry(wq, &ctx->fault_wqh.head, entry) { - uwq = container_of(wq, struct userfaultfd_wait_queue, wq); total++; } spin_unlock(&ctx->fault_pending_wqh.lock); -- 2.17.1