From owner-svn-src-all@freebsd.org Tue Apr 2 08:35:25 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 1F7D9155D1D0; Tue, 2 Apr 2019 08:35:25 +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 AF6F3820E2; Tue, 2 Apr 2019 08:35:24 +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 8BCF4237D6; Tue, 2 Apr 2019 08:35:24 +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 x328ZOS0022657; Tue, 2 Apr 2019 08:35:24 GMT (envelope-from mw@FreeBSD.org) Received: (from mw@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x328ZOwP022656; Tue, 2 Apr 2019 08:35:24 GMT (envelope-from mw@FreeBSD.org) Message-Id: <201904020835.x328ZOwP022656@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 08:35:24 +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: r345792 - stable/12/sys/kern X-SVN-Group: stable-12 X-SVN-Commit-Author: mw X-SVN-Commit-Paths: stable/12/sys/kern X-SVN-Commit-Revision: 345792 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: AF6F3820E2 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 08:35:25 -0000 Author: mw Date: Tue Apr 2 08:35:24 2019 New Revision: 345792 URL: https://svnweb.freebsd.org/changeset/base/345792 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/12/sys/kern/subr_bus.c Modified: stable/12/sys/kern/subr_bus.c ============================================================================== --- stable/12/sys/kern/subr_bus.c Tue Apr 2 04:12:06 2019 (r345791) +++ stable/12/sys/kern/subr_bus.c Tue Apr 2 08:35:24 2019 (r345792) @@ -2994,6 +2994,10 @@ 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);