From owner-svn-src-all@freebsd.org Tue Nov 15 18:57:27 2016 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 1C100C4327C; Tue, 15 Nov 2016 18:57:27 +0000 (UTC) (envelope-from loos@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 mx1.freebsd.org (Postfix) with ESMTPS id E08D01D1A; Tue, 15 Nov 2016 18:57:26 +0000 (UTC) (envelope-from loos@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id uAFIvQTl005121; Tue, 15 Nov 2016 18:57:26 GMT (envelope-from loos@FreeBSD.org) Received: (from loos@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id uAFIvQii005120; Tue, 15 Nov 2016 18:57:26 GMT (envelope-from loos@FreeBSD.org) Message-Id: <201611151857.uAFIvQii005120@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: loos set sender to loos@FreeBSD.org using -f From: Luiz Otavio O Souza Date: Tue, 15 Nov 2016 18:57:26 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r308692 - head/sys/arm/ti X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.23 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, 15 Nov 2016 18:57:27 -0000 Author: loos Date: Tue Nov 15 18:57:25 2016 New Revision: 308692 URL: https://svnweb.freebsd.org/changeset/base/308692 Log: Fix ti_gpio_detach() to avoid crashing if something goes wrong. Sponsored by: Rubicon Communication, LLC (Netgate) Modified: head/sys/arm/ti/ti_gpio.c Modified: head/sys/arm/ti/ti_gpio.c ============================================================================== --- head/sys/arm/ti/ti_gpio.c Tue Nov 15 18:22:50 2016 (r308691) +++ head/sys/arm/ti/ti_gpio.c Tue Nov 15 18:57:25 2016 (r308692) @@ -710,7 +710,8 @@ ti_gpio_detach(device_t dev) /* Disable all interrupts */ if (sc->sc_mem_res != NULL) ti_gpio_intr_clr(sc, 0xffffffff); - gpiobus_detach_bus(dev); + if (sc->sc_busdev != NULL) + gpiobus_detach_bus(dev); if (sc->sc_isrcs != NULL) ti_gpio_pic_detach(sc); /* Release the memory and IRQ resources. */ @@ -718,10 +719,12 @@ ti_gpio_detach(device_t dev) bus_teardown_intr(dev, sc->sc_irq_res, sc->sc_irq_hdl); } - bus_release_resource(dev, SYS_RES_IRQ, sc->sc_irq_rid, - sc->sc_irq_res); - bus_release_resource(dev, SYS_RES_MEMORY, sc->sc_mem_rid, - sc->sc_mem_res); + if (sc->sc_irq_res) + bus_release_resource(dev, SYS_RES_IRQ, sc->sc_irq_rid, + sc->sc_irq_res); + if (sc->sc_mem_res) + bus_release_resource(dev, SYS_RES_MEMORY, sc->sc_mem_rid, + sc->sc_mem_res); TI_GPIO_LOCK_DESTROY(sc); return (0);