Floating point context-switching and checkpoint/load

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

diff --git a/palacios/src/palacios/vmm_shadow_paging.c b/palacios/src/palacios/vmm_shadow_paging.c
index 444af7d..38dcc64 100644 (file)
--- a/palacios/src/palacios/vmm_shadow_paging.c
+++ b/palacios/src/palacios/vmm_shadow_paging.c
@@ -170,9 +170,15 @@ int v3_init_shdw_pg_state(struct guest_info * core) {
 
 
 int v3_deinit_shdw_pg_state(struct guest_info * core) {
-    struct v3_shdw_pg_impl * impl = core->vm_info->shdw_impl.current_impl;
+    struct v3_shdw_pg_impl * impl = NULL;
+
+    if (!core || !core->vm_info) {
+        return -1;
+    }
+
+    impl = core->vm_info->shdw_impl.current_impl;
 
-    if (impl->local_deinit(core) == -1) {
+    if (impl && impl->local_deinit(core) == -1) {
        PrintError(core->vm_info, core, "Error deinitializing shadow paging state\n");
        return -1;
     }