code clean up

[palacios.git] / palacios / include / palacios / vmm.h

diff --git a/palacios/include/palacios/vmm.h b/palacios/include/palacios/vmm.h
index 8e64a04..7d8e69c 100644 (file)
--- a/palacios/include/palacios/vmm.h
+++ b/palacios/include/palacios/vmm.h
@@ -65,14 +65,15 @@
 #endif
 
 
-#define V3_AllocPages(ptr, num_pages)                  \
-  do {                                                 \
+#define V3_AllocPages(num_pages)                       \
+  ({                                                   \
     extern struct vmm_os_hooks * os_hooks;             \
-    ptr = 0;                                           \
+    void * ptr = 0;                                    \
     if ((os_hooks) && (os_hooks)->allocate_pages) {    \
       ptr = (os_hooks)->allocate_pages(num_pages);     \
     }                                                  \
-  } while (0)                                          \
+    ptr;                                               \
+  })                                                   \
 
 
 #define V3_FreePage(page)                      \