From owner-svn-src-stable-12@freebsd.org Tue Mar 26 13:37:57 2019 Return-Path: Delivered-To: svn-src-stable-12@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 D429E1552F2A; Tue, 26 Mar 2019 13:37:57 +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 595826B230; Tue, 26 Mar 2019 13:37:57 +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 3304120707; Tue, 26 Mar 2019 13:37:57 +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 x2QDbuwK031022; Tue, 26 Mar 2019 13:37:56 GMT (envelope-from hselasky@FreeBSD.org) Received: (from hselasky@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x2QDbuaA031021; Tue, 26 Mar 2019 13:37:56 GMT (envelope-from hselasky@FreeBSD.org) Message-Id: <201903261337.x2QDbuaA031021@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: hselasky set sender to hselasky@FreeBSD.org using -f From: Hans Petter Selasky Date: Tue, 26 Mar 2019 13:37:56 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r345533 - stable/12/sys/dev/mlx4/mlx4_en X-SVN-Group: stable-12 X-SVN-Commit-Author: hselasky X-SVN-Commit-Paths: stable/12/sys/dev/mlx4/mlx4_en X-SVN-Commit-Revision: 345533 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 595826B230 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.95 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.999,0]; NEURAL_HAM_SHORT(-0.95)[-0.949,0]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US] X-BeenThere: svn-src-stable-12@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for only the 12-stable src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 26 Mar 2019 13:37:58 -0000 Author: hselasky Date: Tue Mar 26 13:37:56 2019 New Revision: 345533 URL: https://svnweb.freebsd.org/changeset/base/345533 Log: MFC r344920: Teardown ifnet after stopping port in the mlx4en(4) driver. mlx4_en_stop_port() calls mlx4_en_put_qp() which can refer the link level address of the network interface, which in turn will be freed by the network interface detach function. Make sure the port is stopped before detaching the network interface. Sponsored by: Mellanox Technologies Modified: stable/12/sys/dev/mlx4/mlx4_en/mlx4_en_netdev.c Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/dev/mlx4/mlx4_en/mlx4_en_netdev.c ============================================================================== --- stable/12/sys/dev/mlx4/mlx4_en/mlx4_en_netdev.c Tue Mar 26 13:35:23 2019 (r345532) +++ stable/12/sys/dev/mlx4/mlx4_en/mlx4_en_netdev.c Tue Mar 26 13:37:56 2019 (r345533) @@ -1778,13 +1778,13 @@ void mlx4_en_destroy_netdev(struct net_device *dev) if (priv->vlan_detach != NULL) EVENTHANDLER_DEREGISTER(vlan_unconfig, priv->vlan_detach); - /* Unregister device - this will close the port if it was up */ - if (priv->registered) - ether_ifdetach(dev); - mutex_lock(&mdev->state_lock); mlx4_en_stop_port(dev); mutex_unlock(&mdev->state_lock); + + /* Unregister device - this will close the port if it was up */ + if (priv->registered) + ether_ifdetach(dev); if (priv->allocated) mlx4_free_hwq_res(mdev->dev, &priv->res, MLX4_EN_PAGE_SIZE);