added state checks for VM control commands

[palacios.git] / palacios / src / palacios / vmm_direct_paging.c

diff --git a/palacios/src/palacios/vmm_direct_paging.c b/palacios/src/palacios/vmm_direct_paging.c
index ca5b38a..421c3aa 100644 (file)
--- a/palacios/src/palacios/vmm_direct_paging.c
+++ b/palacios/src/palacios/vmm_direct_paging.c
@@ -25,7 +25,7 @@
 #include <palacios/vm_guest.h>
 
 
-#ifndef CONFIG_DEBUG_NESTED_PAGING
+#ifndef V3_CONFIG_DEBUG_NESTED_PAGING
 #undef PrintDebug
 #define PrintDebug(fmt, args...)
 #endif
@@ -33,7 +33,15 @@
 
 static addr_t create_generic_pt_page() {
     void * page = 0;
-    page = V3_VAddr(V3_AllocPages(1));
+    void *temp;
+
+    temp = V3_AllocPages(1);
+    if (!temp) { 
+       PrintError("Cannot allocate page\n");
+       return 0;
+    }
+
+    page = V3_VAddr(temp);
     memset(page, 0, PAGE_SIZE);
 
     return (addr_t)page;