From: Jack Lange <jarusl@cs.northwestern.edu>
Date: Fri, 27 Mar 2009 00:07:06 +0000 (-0500)
Subject: fixed gpa->hpa error checking
X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?p=palacios.git;a=commitdiff_plain;h=7f4f21be178cd81b300b0efad8320461ac4efb4b

fixed gpa->hpa error checking
---

diff --git a/palacios/src/palacios/vm_guest_mem.c b/palacios/src/palacios/vm_guest_mem.c
index b17dd76..8455dd6 100644
--- a/palacios/src/palacios/vm_guest_mem.c
+++ b/palacios/src/palacios/vm_guest_mem.c
@@ -68,8 +68,6 @@ int host_pa_to_host_va(addr_t host_pa, addr_t * host_va) {
 int guest_pa_to_host_pa(struct guest_info * guest_info, addr_t guest_pa, addr_t * host_pa) {
     struct v3_shadow_region * shdw_reg = v3_get_shadow_region(guest_info, guest_pa);
 
-    *host_pa = v3_get_shadow_addr(shdw_reg, guest_pa);
-
     if ((shdw_reg == NULL) ||
 	(shdw_reg->host_type == SHDW_REGION_INVALID) ||
 	(shdw_reg->host_type == SHDW_REGION_FULL_HOOK)){
@@ -78,6 +76,8 @@ int guest_pa_to_host_pa(struct guest_info * guest_info, addr_t guest_pa, addr_t
 	return -1;
     }
 
+    *host_pa = v3_get_shadow_addr(shdw_reg, guest_pa);
+
     return 0;
 }