From owner-svn-src-all@freebsd.org Tue Apr 2 08:43:20 2019 Return-Path: Delivered-To: svn-src-all@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 739B6155D650; Tue, 2 Apr 2019 08:43:20 +0000 (UTC) (envelope-from mw@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 172DC825FD; Tue, 2 Apr 2019 08:43:20 +0000 (UTC) (envelope-from mw@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 E3DC423983; Tue, 2 Apr 2019 08:43:19 +0000 (UTC) (envelope-from mw@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x328hJRo027599; Tue, 2 Apr 2019 08:43:19 GMT (envelope-from mw@FreeBSD.org) Received: (from mw@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x328hJ66027598; Tue, 2 Apr 2019 08:43:19 GMT (envelope-from mw@FreeBSD.org) Message-Id: <201904020843.x328hJ66027598@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: mw set sender to mw@FreeBSD.org using -f From: Marcin Wojtas Date: Tue, 2 Apr 2019 08:43:19 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r345793 - stable/11/sys/kern X-SVN-Group: stable-11 X-SVN-Commit-Author: mw X-SVN-Commit-Paths: stable/11/sys/kern X-SVN-Commit-Revision: 345793 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 172DC825FD X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.94 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.999,0]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; NEURAL_HAM_SHORT(-0.94)[-0.943,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US] X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 02 Apr 2019 08:43:20 -0000 Author: mw Date: Tue Apr 2 08:43:19 2019 New Revision: 345793 URL: https://svnweb.freebsd.org/changeset/base/345793 Log: MFC r344676: Prevent detaching driver if the attach is not finished Submitted by: Rafal Kozik Obtained from: Semihalf Sponsored by: Amazon, Inc. Modified: stable/11/sys/kern/subr_bus.c Modified: stable/11/sys/kern/subr_bus.c ============================================================================== --- stable/11/sys/kern/subr_bus.c Tue Apr 2 08:35:24 2019 (r345792) +++ stable/11/sys/kern/subr_bus.c Tue Apr 2 08:43:19 2019 (r345793) @@ -2964,6 +2964,10 @@ device_detach(device_t dev) PDEBUG(("%s", DEVICENAME(dev))); if (dev->state == DS_BUSY) return (EBUSY); + if (dev->state == DS_ATTACHING) { + device_printf(dev, "device in attaching state! Deferring detach.\n"); + return (EBUSY); + } if (dev->state != DS_ATTACHED) return (0);