Merge branch 'stable/bug.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen

* 'stable/bug.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
  xen/balloon: Fix compile errors - missing header files.
  xen/grant: Fix compile warning.
  xen/pciback: remove duplicated #include

drivers/xen/grant-table.c

@@ -82,7 +82,7 @@ static inline grant_ref_t *__gnttab_entry(grant_ref_t entry)
 static int get_free_entries(unsigned count)
 {
 	unsigned long flags;
-	int ref, rc;
+	int ref, rc = 0;
 	grant_ref_t head;
 
 	spin_lock_irqsave(&gnttab_list_lock, flags);

drivers/xen/xen-pciback/xenbus.c

@@ -11,7 +11,6 @@
 #include <xen/xenbus.h>
 #include <xen/events.h>
 #include <asm/xen/pci.h>
-#include <linux/workqueue.h>
 #include "pciback.h"
 
 #define	DRV_NAME	"xen-pciback"

drivers/xen/xen-selfballoon.c

@@ -70,10 +70,10 @@
 #include <linux/kernel.h>
 #include <linux/mm.h>
 #include <linux/mman.h>
-
+#include <linux/workqueue.h>
 #include <xen/balloon.h>
-
 #include <xen/tmem.h>
+#include <xen/xen.h>
 
 /* Enable/disable with sysfs. */
 static int xen_selfballooning_enabled __read_mostly;