From owner-svn-src-head@freebsd.org Mon Sep 2 08:31:19 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 48F9AD6BEE; Mon, 2 Sep 2019 08:31:19 +0000 (UTC) (envelope-from hselasky@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 46MNbC17kXz4RqQ; Mon, 2 Sep 2019 08:31:19 +0000 (UTC) (envelope-from hselasky@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 0A403F566; Mon, 2 Sep 2019 08:31:19 +0000 (UTC) (envelope-from hselasky@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x828VIjO082947; Mon, 2 Sep 2019 08:31:18 GMT (envelope-from hselasky@FreeBSD.org) Received: (from hselasky@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x828VI5a082946; Mon, 2 Sep 2019 08:31:18 GMT (envelope-from hselasky@FreeBSD.org) Message-Id: <201909020831.x828VI5a082946@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: hselasky set sender to hselasky@FreeBSD.org using -f From: Hans Petter Selasky Date: Mon, 2 Sep 2019 08:31:18 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r351692 - head/sys/dev/usb/net X-SVN-Group: head X-SVN-Commit-Author: hselasky X-SVN-Commit-Paths: head/sys/dev/usb/net X-SVN-Commit-Revision: 351692 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: Mon, 02 Sep 2019 08:31:19 -0000 Author: hselasky Date: Mon Sep 2 08:31:18 2019 New Revision: 351692 URL: https://svnweb.freebsd.org/changeset/base/351692 Log: Fix regression issue after r351616. Make sure the mbuf queue gets initialized. Found by: gonzo@ MFC after: 1 week Sponsored by: Mellanox Technologies Modified: head/sys/dev/usb/net/usb_ethernet.c Modified: head/sys/dev/usb/net/usb_ethernet.c ============================================================================== --- head/sys/dev/usb/net/usb_ethernet.c Mon Sep 2 08:20:02 2019 (r351691) +++ head/sys/dev/usb/net/usb_ethernet.c Mon Sep 2 08:31:18 2019 (r351692) @@ -219,6 +219,7 @@ ue_attach_post_task(struct usb_proc_msg *_task) ue->ue_unit = alloc_unr(ueunit); usb_callout_init_mtx(&ue->ue_watchdog, ue->ue_mtx, 0); sysctl_ctx_init(&ue->ue_sysctl_ctx); + mbufq_init(&ue->ue_rxq, 0 /* unlimited length */); error = 0; CURVNET_SET_QUIET(vnet0); @@ -284,6 +285,11 @@ ue_attach_post_task(struct usb_proc_msg *_task) fail: CURVNET_RESTORE(); + + /* drain mbuf queue */ + mbufq_drain(&ue->ue_rxq); + + /* free unit */ free_unr(ueunit, ue->ue_unit); if (ue->ue_ifp != NULL) { if_free(ue->ue_ifp); @@ -329,6 +335,9 @@ uether_ifdetach(struct usb_ether *ue) /* free sysctl */ sysctl_ctx_free(&ue->ue_sysctl_ctx); + + /* drain mbuf queue */ + mbufq_drain(&ue->ue_rxq); /* free unit */ free_unr(ueunit, ue->ue_unit);