From owner-svn-src-head@freebsd.org  Sat May 19 05:06:19 2018
Return-Path: <owner-svn-src-head@freebsd.org>
Delivered-To: svn-src-head@mailman.ysv.freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1])
 by mailman.ysv.freebsd.org (Postfix) with ESMTP id 70698EEED5F;
 Sat, 19 May 2018 05:06:19 +0000 (UTC)
 (envelope-from mmacy@FreeBSD.org)
Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org
 [IPv6:2610:1c1:1:606c::19:3])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (Client CN "mxrelay.nyi.freebsd.org",
 Issuer "Let's Encrypt Authority X3" (verified OK))
 by mx1.freebsd.org (Postfix) with ESMTPS id 1F9307E925;
 Sat, 19 May 2018 05:06:19 +0000 (UTC)
 (envelope-from mmacy@FreeBSD.org)
Received: from repo.freebsd.org (repo.freebsd.org
 [IPv6:2610:1c1:1:6068::e6a:0])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (Client did not present a certificate)
 by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 00ADB22873;
 Sat, 19 May 2018 05:06:19 +0000 (UTC)
 (envelope-from mmacy@FreeBSD.org)
Received: from repo.freebsd.org ([127.0.1.37])
 by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id w4J56ILB053311;
 Sat, 19 May 2018 05:06:18 GMT (envelope-from mmacy@FreeBSD.org)
Received: (from mmacy@localhost)
 by repo.freebsd.org (8.15.2/8.15.2/Submit) id w4J56IAt053310;
 Sat, 19 May 2018 05:06:18 GMT (envelope-from mmacy@FreeBSD.org)
Message-Id: <201805190506.w4J56IAt053310@repo.freebsd.org>
X-Authentication-Warning: repo.freebsd.org: mmacy set sender to
 mmacy@FreeBSD.org using -f
From: Matt Macy <mmacy@FreeBSD.org>
Date: Sat, 19 May 2018 05:06:18 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
 svn-src-head@freebsd.org
Subject: svn commit: r333856 - head/sys/kern
X-SVN-Group: head
X-SVN-Commit-Author: mmacy
X-SVN-Commit-Paths: head/sys/kern
X-SVN-Commit-Revision: 333856
X-SVN-Commit-Repository: base
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
X-BeenThere: svn-src-head@freebsd.org
X-Mailman-Version: 2.1.26
Precedence: list
List-Id: SVN commit messages for the src tree for head/-current
 <svn-src-head.freebsd.org>
List-Unsubscribe: <https://lists.freebsd.org/mailman/options/svn-src-head>,
 <mailto:svn-src-head-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-head/>
List-Post: <mailto:svn-src-head@freebsd.org>
List-Help: <mailto:svn-src-head-request@freebsd.org?subject=help>
List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/svn-src-head>,
 <mailto:svn-src-head-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sat, 19 May 2018 05:06:19 -0000

Author: mmacy
Date: Sat May 19 05:06:18 2018
New Revision: 333856
URL: https://svnweb.freebsd.org/changeset/base/333856

Log:
  kevent: annotate unused stack local

Modified:
  head/sys/kern/kern_event.c

Modified: head/sys/kern/kern_event.c
==============================================================================
--- head/sys/kern/kern_event.c	Sat May 19 05:04:38 2018	(r333855)
+++ head/sys/kern/kern_event.c	Sat May 19 05:06:18 2018	(r333856)
@@ -751,14 +751,12 @@ static void
 filt_timerdetach(struct knote *kn)
 {
 	struct kq_timer_cb_data *kc;
-#ifdef INVARIANTS
-	unsigned int old;
-#endif
+	unsigned int old __unused;
 
 	kc = kn->kn_ptr.p_v;
 	callout_drain(&kc->c);
 	free(kc, M_KQUEUE);
-	DBGSET(old, atomic_fetchadd_int(&kq_ncallouts, -1));
+	old = atomic_fetchadd_int(&kq_ncallouts, -1);
 	KASSERT(old > 0, ("Number of callouts cannot become negative"));
 	kn->kn_status |= KN_DETACHED;	/* knlist_remove sets it */
 }