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path: root/drivers/tty/hvc/hvc_xen.c
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Diffstat (limited to 'drivers/tty/hvc/hvc_xen.c')
-rw-r--r--drivers/tty/hvc/hvc_xen.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/tty/hvc/hvc_xen.c b/drivers/tty/hvc/hvc_xen.c
index 1e456dca4f60..f4abfe238f98 100644
--- a/drivers/tty/hvc/hvc_xen.c
+++ b/drivers/tty/hvc/hvc_xen.c
@@ -21,6 +21,7 @@
#include <linux/console.h>
#include <linux/delay.h>
#include <linux/err.h>
+#include <linux/irq.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/list.h>
@@ -35,6 +36,7 @@
#include <xen/page.h>
#include <xen/events.h>
#include <xen/interface/io/console.h>
+#include <xen/interface/sched.h>
#include <xen/hvc-console.h>
#include <xen/xenbus.h>
@@ -476,7 +478,6 @@ static void xencons_backend_changed(struct xenbus_device *dev,
case XenbusStateInitialising:
case XenbusStateInitialised:
case XenbusStateUnknown:
- case XenbusStateClosed:
break;
case XenbusStateInitWait:
@@ -486,6 +487,10 @@ static void xencons_backend_changed(struct xenbus_device *dev,
xenbus_switch_state(dev, XenbusStateConnected);
break;
+ case XenbusStateClosed:
+ if (dev->state == XenbusStateClosed)
+ break;
+ /* Missed the backend's CLOSING state -- fallthrough */
case XenbusStateClosing:
xenbus_frontend_closed(dev);
break;