From owner-svn-src-head@freebsd.org Wed Dec 5 13:31:15 2018 Return-Path: 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 93AB11312F00; Wed, 5 Dec 2018 13:31:15 +0000 (UTC) (envelope-from slavash@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 3643F70438; Wed, 5 Dec 2018 13:31:15 +0000 (UTC) (envelope-from slavash@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 13A6914F4F; Wed, 5 Dec 2018 13:31:15 +0000 (UTC) (envelope-from slavash@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id wB5DVExe074110; Wed, 5 Dec 2018 13:31:14 GMT (envelope-from slavash@FreeBSD.org) Received: (from slavash@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id wB5DVEJa074109; Wed, 5 Dec 2018 13:31:14 GMT (envelope-from slavash@FreeBSD.org) Message-Id: <201812051331.wB5DVEJa074109@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: slavash set sender to slavash@FreeBSD.org using -f From: Slava Shwartsman Date: Wed, 5 Dec 2018 13:31:14 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r341546 - head/sys/dev/mlx4/mlx4_core X-SVN-Group: head X-SVN-Commit-Author: slavash X-SVN-Commit-Paths: head/sys/dev/mlx4/mlx4_core X-SVN-Commit-Revision: 341546 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 3643F70438 X-Spamd-Result: default: False [-0.76 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-0.54)[-0.543,0]; NEURAL_HAM_SHORT(-0.15)[-0.149,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US]; NEURAL_HAM_LONG(-0.07)[-0.072,0] X-Rspamd-Server: mx1.freebsd.org 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: Wed, 05 Dec 2018 13:31:15 -0000 Author: slavash Date: Wed Dec 5 13:31:14 2018 New Revision: 341546 URL: https://svnweb.freebsd.org/changeset/base/341546 Log: mlx4en: Add driver version to sysctl desc Approved by: hselasky (mentor) MFC after: 1 week Sponsored by: Mellanox Technologies Modified: head/sys/dev/mlx4/mlx4_core/mlx4_main.c Modified: head/sys/dev/mlx4/mlx4_core/mlx4_main.c ============================================================================== --- head/sys/dev/mlx4/mlx4_core/mlx4_main.c Wed Dec 5 13:30:48 2018 (r341545) +++ head/sys/dev/mlx4/mlx4_core/mlx4_main.c Wed Dec 5 13:31:14 2018 (r341546) @@ -121,6 +121,9 @@ MODULE_PARM_DESC(enable_4k_uar, #define RESET_PERSIST_MASK_FLAGS (MLX4_FLAG_SRIOV) +static char mlx4_description[] = "Mellanox driver" + " (" DRV_VERSION ")"; + static char mlx4_version[] = DRV_NAME ": Mellanox ConnectX core driver v" DRV_VERSION " (" DRV_RELDATE ")\n"; @@ -3780,6 +3783,7 @@ static int mlx4_init_one(struct pci_dev *pdev, const s kfree(priv); return ret; } else { + device_set_desc(pdev->dev.bsddev, mlx4_description); pci_save_state(pdev->dev.bsddev); } @@ -3907,6 +3911,13 @@ static void mlx4_remove_one(struct pci_dev *pdev) mutex_lock(&persist->interface_state_mutex); persist->interface_state |= MLX4_INTERFACE_STATE_DELETION; mutex_unlock(&persist->interface_state_mutex); + + /* + * Clear the device description to avoid use after free, + * because the bsddev is not destroyed when this module is + * unloaded: + */ + device_set_desc(pdev->dev.bsddev, NULL); /* Disabling SR-IOV is not allowed while there are active vf's */ if (mlx4_is_master(dev) && dev->flags & MLX4_FLAG_SRIOV) {