Module Name:    src
Committed By:   jdolecek
Date:           Sat Aug 11 10:34:25 UTC 2018

Modified Files:
        src/sys/arch/xen/xen: xennetback_xenbus.c

Log Message:
disestablish interrupt handler regardless of the state whenever it was
setup, i.e. also when the instance is DISCONNECTING already

fixes PR port-xen/53487 by Bert Kiers; fix found and reported by
Dennis Lindroos

XXX pullup netbsd-8


To generate a diff of this commit:
cvs rdiff -u -r1.67 -r1.68 src/sys/arch/xen/xen/xennetback_xenbus.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/arch/xen/xen/xennetback_xenbus.c
diff -u src/sys/arch/xen/xen/xennetback_xenbus.c:1.67 src/sys/arch/xen/xen/xennetback_xenbus.c:1.68
--- src/sys/arch/xen/xen/xennetback_xenbus.c:1.67	Thu Aug  9 17:32:44 2018
+++ src/sys/arch/xen/xen/xennetback_xenbus.c	Sat Aug 11 10:34:25 2018
@@ -1,4 +1,4 @@
-/*      $NetBSD: xennetback_xenbus.c,v 1.67 2018/08/09 17:32:44 maxv Exp $      */
+/*      $NetBSD: xennetback_xenbus.c,v 1.68 2018/08/11 10:34:25 jdolecek Exp $      */
 
 /*
  * Copyright (c) 2006 Manuel Bouyer.
@@ -25,7 +25,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: xennetback_xenbus.c,v 1.67 2018/08/09 17:32:44 maxv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: xennetback_xenbus.c,v 1.68 2018/08/11 10:34:25 jdolecek Exp $");
 
 #include "opt_xen.h"
 
@@ -383,8 +383,7 @@ xennetback_xenbus_destroy(void *arg)
 
 	aprint_verbose_ifnet(&xneti->xni_if, "disconnecting\n");
 
-	if (xneti->xni_status == CONNECTED) {
-		KASSERT(xneti->xni_ih);
+	if (xneti->xni_ih != NULL) {
 		hypervisor_mask_event(xneti->xni_evtchn);
 		intr_disestablish(xneti->xni_ih);
 		xneti->xni_ih = NULL;

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