From owner-svn-src-stable@FreeBSD.ORG Sun Jan 29 00:50:51 2012 Return-Path: Delivered-To: svn-src-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 2FBE510656DA; Sun, 29 Jan 2012 00:50:51 +0000 (UTC) (envelope-from marius@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c]) by mx1.freebsd.org (Postfix) with ESMTP id 007538FC13; Sun, 29 Jan 2012 00:50:51 +0000 (UTC) Received: from svn.freebsd.org (localhost [127.0.0.1]) by svn.freebsd.org (8.14.4/8.14.4) with ESMTP id q0T0ooTd008308; Sun, 29 Jan 2012 00:50:50 GMT (envelope-from marius@svn.freebsd.org) Received: (from marius@localhost) by svn.freebsd.org (8.14.4/8.14.4/Submit) id q0T0oos0008306; Sun, 29 Jan 2012 00:50:50 GMT (envelope-from marius@svn.freebsd.org) Message-Id: <201201290050.q0T0oos0008306@svn.freebsd.org> From: Marius Strobl Date: Sun, 29 Jan 2012 00:50:50 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org X-SVN-Group: stable-8 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: Subject: svn commit: r230706 - stable/8/sys/dev/dc X-BeenThere: svn-src-stable@freebsd.org X-Mailman-Version: 2.1.5 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, 29 Jan 2012 00:50:51 -0000 Author: marius Date: Sun Jan 29 00:50:50 2012 New Revision: 230706 URL: http://svn.freebsd.org/changeset/base/230706 Log: MFC: r227685 - There's no need to ignore the return value of mii_attach(9) when attaching dcphy(4) (CID 9283). - In dc_detach(), check whether ifp is NULL as dc_attach() may call the former without ifp being allocated (CID 4288). Found with: Coverity Prevent(tm) Modified: stable/8/sys/dev/dc/if_dc.c Directory Properties: stable/8/sys/ (props changed) stable/8/sys/amd64/include/xen/ (props changed) stable/8/sys/cddl/contrib/opensolaris/ (props changed) stable/8/sys/contrib/dev/acpica/ (props changed) stable/8/sys/contrib/pf/ (props changed) Modified: stable/8/sys/dev/dc/if_dc.c ============================================================================== --- stable/8/sys/dev/dc/if_dc.c Sun Jan 29 00:50:41 2012 (r230705) +++ stable/8/sys/dev/dc/if_dc.c Sun Jan 29 00:50:50 2012 (r230706) @@ -2456,9 +2456,6 @@ dc_attach(device_t dev) if (sc->dc_pmode != DC_PMODE_SIA) sc->dc_pmode = DC_PMODE_SYM; sc->dc_flags |= DC_21143_NWAY; - mii_attach(dev, &sc->dc_miibus, ifp, dc_ifmedia_upd, - dc_ifmedia_sts, BMSR_DEFCAPMASK, MII_PHY_ANY, - MII_OFFSET_ANY, 0); /* * For non-MII cards, we need to have the 21143 * drive the LEDs. Except there are some systems @@ -2469,7 +2466,9 @@ dc_attach(device_t dev) if (!(pci_get_subvendor(dev) == 0x1033 && pci_get_subdevice(dev) == 0x8028)) sc->dc_flags |= DC_TULIP_LEDS; - error = 0; + error = mii_attach(dev, &sc->dc_miibus, ifp, dc_ifmedia_upd, + dc_ifmedia_sts, BMSR_DEFCAPMASK, MII_PHY_ANY, + MII_OFFSET_ANY, 0); } if (error) { @@ -2538,7 +2537,7 @@ dc_detach(device_t dev) ifp = sc->dc_ifp; #ifdef DEVICE_POLLING - if (ifp->if_capenable & IFCAP_POLLING) + if (ifp != NULL && ifp->if_capenable & IFCAP_POLLING) ether_poll_deregister(ifp); #endif @@ -2562,7 +2561,7 @@ dc_detach(device_t dev) if (sc->dc_res) bus_release_resource(dev, DC_RES, DC_RID, sc->dc_res); - if (ifp) + if (ifp != NULL) if_free(ifp); dc_dma_free(sc); @@ -2612,7 +2611,6 @@ dc_list_tx_init(struct dc_softc *sc) return (0); } - /* * Initialize the RX descriptors and allocate mbufs for them. Note that * we arrange the descriptors in a closed ring, so that the last descriptor