From owner-svn-src-stable@freebsd.org Sun Dec 22 20:04:36 2019 Return-Path: Delivered-To: svn-src-stable@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 F3BC91DB984; Sun, 22 Dec 2019 20:04:35 +0000 (UTC) (envelope-from ian@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 47gtjv66MZz3JJv; Sun, 22 Dec 2019 20:04:35 +0000 (UTC) (envelope-from ian@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 C63EB4B90; Sun, 22 Dec 2019 20:04:35 +0000 (UTC) (envelope-from ian@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id xBMK4Z39059626; Sun, 22 Dec 2019 20:04:35 GMT (envelope-from ian@FreeBSD.org) Received: (from ian@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id xBMK4ZHO059625; Sun, 22 Dec 2019 20:04:35 GMT (envelope-from ian@FreeBSD.org) Message-Id: <201912222004.xBMK4ZHO059625@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: ian set sender to ian@FreeBSD.org using -f From: Ian Lepore Date: Sun, 22 Dec 2019 20:04:35 +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: r356023 - stable/12/sys/dev/iicbus X-SVN-Group: stable-12 X-SVN-Commit-Author: ian X-SVN-Commit-Paths: stable/12/sys/dev/iicbus X-SVN-Commit-Revision: 356023 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-stable@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for all the -stable branches of the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 22 Dec 2019 20:04:36 -0000 Author: ian Date: Sun Dec 22 20:04:35 2019 New Revision: 356023 URL: https://svnweb.freebsd.org/changeset/base/356023 Log: MFC r355688: If device_delete_children() returns an error, bail on the rest of the detach work and return the error. Especially don't call iicbus_reset() since the most likely cause of failing to detach children is that one of them has IO in progress. Modified: stable/12/sys/dev/iicbus/iicbus.c Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/dev/iicbus/iicbus.c ============================================================================== --- stable/12/sys/dev/iicbus/iicbus.c Sun Dec 22 19:30:13 2019 (r356022) +++ stable/12/sys/dev/iicbus/iicbus.c Sun Dec 22 20:04:35 2019 (r356023) @@ -134,10 +134,11 @@ static int iicbus_detach(device_t dev) { struct iicbus_softc *sc = IICBUS_SOFTC(dev); + int err; + if ((err = device_delete_children(dev)) != 0) + return (err); iicbus_reset(dev, IIC_FASTEST, 0, NULL); - bus_generic_detach(dev); - device_delete_children(dev); mtx_destroy(&sc->lock); return (0); }