Module Name:    src
Committed By:   msaitoh
Date:           Mon Oct 23 09:27:46 UTC 2017

Modified Files:
        src/sys/dev/ic: dwc_gmac.c

Log Message:
- If if_initialize() failed in the attach function, free resources and return.
- Add missing dwc_gmac_free_dma_rings() and mutex_destroy() when attach
   failed.


To generate a diff of this commit:
cvs rdiff -u -r1.40 -r1.41 src/sys/dev/ic/dwc_gmac.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/dev/ic/dwc_gmac.c
diff -u src/sys/dev/ic/dwc_gmac.c:1.40 src/sys/dev/ic/dwc_gmac.c:1.41
--- src/sys/dev/ic/dwc_gmac.c:1.40	Mon Feb 20 07:43:29 2017
+++ src/sys/dev/ic/dwc_gmac.c	Mon Oct 23 09:27:46 2017
@@ -1,4 +1,4 @@
-/* $NetBSD: dwc_gmac.c,v 1.40 2017/02/20 07:43:29 ozaki-r Exp $ */
+/* $NetBSD: dwc_gmac.c,v 1.41 2017/10/23 09:27:46 msaitoh Exp $ */
 
 /*-
  * Copyright (c) 2013, 2014 The NetBSD Foundation, Inc.
@@ -41,7 +41,7 @@
 
 #include <sys/cdefs.h>
 
-__KERNEL_RCSID(1, "$NetBSD: dwc_gmac.c,v 1.40 2017/02/20 07:43:29 ozaki-r Exp $");
+__KERNEL_RCSID(1, "$NetBSD: dwc_gmac.c,v 1.41 2017/10/23 09:27:46 msaitoh Exp $");
 
 /* #define	DWC_GMAC_DEBUG	1 */
 
@@ -146,6 +146,7 @@ dwc_gmac_attach(struct dwc_gmac_softc *s
 	struct mii_data * const mii = &sc->sc_mii;
 	struct ifnet * const ifp = &sc->sc_ec.ec_if;
 	prop_dictionary_t dict;
+	int rv;
 
 	mutex_init(&sc->sc_mdio_lock, MUTEX_DEFAULT, IPL_NET);
 	sc->sc_mii_clk = mii_clk & 7;
@@ -259,7 +260,9 @@ dwc_gmac_attach(struct dwc_gmac_softc *s
 	 * Ready, attach interface
 	 */
 	/* Attach the interface. */
-	if_initialize(ifp);
+	rv = if_initialize(ifp);
+	if (rv != 0)
+		goto fail_2;
 	sc->sc_ipq = if_percpuq_create(&sc->sc_ec.ec_if);
 	if_deferred_start_init(ifp, NULL);
 	ether_ifattach(ifp, enaddr);
@@ -277,10 +280,17 @@ dwc_gmac_attach(struct dwc_gmac_softc *s
 	mutex_exit(sc->sc_lock);
 
 	return;
-
+fail_2:
+	ifmedia_removeall(&mii->mii_media);
+	mii_detach(&mii, MII_PHY_ANY, MII_OFFSET_ANY);
+	mutex_destroy(&sc->sc_txq.t_mtx);
+	mutex_destroy(&sc->sc_rxq.r_mtx);
+	mutex_obj_free(sc->sc_lock);
 fail:
 	dwc_gmac_free_rx_ring(sc, &sc->sc_rxq);
 	dwc_gmac_free_tx_ring(sc, &sc->sc_txq);
+	dwc_gmac_free_dma_rings(sc);
+	mutex_destroy(&sc->sc_mdio_lock);
 }
 
 

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