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Handle error case (avoid changing to XenbusStateConnected when resume 

failed)
This commit is contained in:
jym 2010-10-16 00:18:06 +00:00
parent db7bc67367
commit 3b91e62198
1 changed files with 5 additions and 4 deletions
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9
sys/arch/xen/xen/if_xennet_xenbus.c
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@ -1,4 +1,4 @@
/* $NetBSD: if_xennet_xenbus.c,v 1.42 2010/10/16 00:12:08 jym Exp $ */
/* $NetBSD: if_xennet_xenbus.c,v 1.43 2010/10/16 00:18:06 jym Exp $ */
/*
* Copyright (c) 2006 Manuel Bouyer.
@ -85,7 +85,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: if_xennet_xenbus.c,v 1.42 2010/10/16 00:12:08 jym Exp $");
__KERNEL_RCSID(0, "$NetBSD: if_xennet_xenbus.c,v 1.43 2010/10/16 00:18:06 jym Exp $");
#include "opt_xen.h"
#include "opt_nfs_boot.h"
@ -530,8 +530,9 @@ static void xennet_backend_changed(void *arg, XenbusState new_state)
xenbus_switch_state(sc->sc_xbusd, NULL, XenbusStateClosed);
break;
case XenbusStateInitWait:
xennet_xenbus_resume(sc);
xenbus_switch_state(sc->sc_xbusd, NULL, XenbusStateConnected);
if (xennet_xenbus_resume(sc) == 0)
xenbus_switch_state(sc->sc_xbusd, NULL,
XenbusStateConnected);
break;
case XenbusStateUnknown:
default: