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Refetch interface handle on reset. Avoids potential access to freed memory. 

Fix from FreeBSD.
This commit is contained in:
augustss 2002-07-16 22:00:31 +00:00
parent a07c492369
commit 21be11a8f8
1 changed files with 5 additions and 6 deletions
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11
sys/dev/usb/if_kue.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: if_kue.c,v 1.49 2002/07/11 21:14:26 augustss Exp $ */
/* $NetBSD: if_kue.c,v 1.50 2002/07/16 22:00:31 augustss Exp $ */
/*
* Copyright (c) 1997, 1998, 1999, 2000
* Bill Paul <wpaul@ee.columbia.edu>. All rights reserved.
@ -70,7 +70,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: if_kue.c,v 1.49 2002/07/11 21:14:26 augustss Exp $");
__KERNEL_RCSID(0, "$NetBSD: if_kue.c,v 1.50 2002/07/16 22:00:31 augustss Exp $");
#if defined(__NetBSD__)
#include "opt_inet.h"
@ -385,12 +385,11 @@ allmulti:
Static void
kue_reset(struct kue_softc *sc)
{
usbd_status err;
DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->kue_dev), __func__));
err = usbd_set_config_no(sc->kue_udev, KUE_CONFIG_NO, 1);
if (err)
if (usbd_set_config_no(sc->kue_udev, KUE_CONFIG_NO, 1) ||
usbd_device2interface_handle(sc->kue_udev, KUE_IFACE_IDX,
&sc->kue_iface))
printf("%s: reset failed\n", USBDEVNAME(sc->kue_dev));
/* Wait a little while for the chip to get its brains in order. */