From owner-svn-src-head@freebsd.org Tue Sep 24 17:03:31 2019 Return-Path: Delivered-To: svn-src-head@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id CB9FA12B5E4; Tue, 24 Sep 2019 17:03:31 +0000 (UTC) (envelope-from erj@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 46d6w34dyvz3CnX; Tue, 24 Sep 2019 17:03:31 +0000 (UTC) (envelope-from erj@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 838D12659; Tue, 24 Sep 2019 17:03:31 +0000 (UTC) (envelope-from erj@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x8OH3VGq096102; Tue, 24 Sep 2019 17:03:31 GMT (envelope-from erj@FreeBSD.org) Received: (from erj@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x8OH3VoG096101; Tue, 24 Sep 2019 17:03:31 GMT (envelope-from erj@FreeBSD.org) Message-Id: <201909241703.x8OH3VoG096101@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: erj set sender to erj@FreeBSD.org using -f From: Eric Joyner Date: Tue, 24 Sep 2019 17:03:31 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r352655 - head/sys/net X-SVN-Group: head X-SVN-Commit-Author: erj X-SVN-Commit-Paths: head/sys/net X-SVN-Commit-Revision: 352655 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: 2.1.29 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 24 Sep 2019 17:03:31 -0000 Author: erj Date: Tue Sep 24 17:03:31 2019 New Revision: 352655 URL: https://svnweb.freebsd.org/changeset/base/352655 Log: iflib: Remove redundant VLAN events deregistration From Piotr: r351152 introduced iflib_deregister() function calling EVENTHANDLER_DEREGISTER() to unregister VLAN events. This patch removes duplicate of EVENTHANDLER_DEREGISTER() calls placed in iflib_device_deregister() as this function is now calling iflib_deregister(). This is to avoid deregistering same event twice. This patch also adds check in iflib_vlan_register() to prevent registering VLAN while being in detach. Patch co-authored by Krzysztof Galazka , erj and Jacob Keller . Signed-off-by: Piotr Pietruszewski Submitted by: Piotr Pietruszewski Reviewed by: gallatin@, erj@ MFC after: 3 days Sponsored by: Intel Corporation Differential Revision: https://reviews.freebsd.org/D21711 Modified: head/sys/net/iflib.c Modified: head/sys/net/iflib.c ============================================================================== --- head/sys/net/iflib.c Tue Sep 24 16:49:42 2019 (r352654) +++ head/sys/net/iflib.c Tue Sep 24 17:03:31 2019 (r352655) @@ -4280,6 +4280,9 @@ iflib_vlan_register(void *arg, if_t ifp, uint16_t vtag if ((vtag == 0) || (vtag > 4095)) return; + if (iflib_in_detach(ctx)) + return; + CTX_LOCK(ctx); IFDI_VLAN_REGISTER(ctx, vtag); /* Re-init to load the changes */ @@ -5078,12 +5081,6 @@ iflib_device_deregister(if_ctx_t ctx) CTX_LOCK(ctx); iflib_stop(ctx); CTX_UNLOCK(ctx); - - /* Unregister VLAN events */ - if (ctx->ifc_vlan_attach_event != NULL) - EVENTHANDLER_DEREGISTER(vlan_config, ctx->ifc_vlan_attach_event); - if (ctx->ifc_vlan_detach_event != NULL) - EVENTHANDLER_DEREGISTER(vlan_unconfig, ctx->ifc_vlan_detach_event); iflib_netmap_detach(ifp); ether_ifdetach(ifp);