Avoid corruption when freeing a guest fails

diff --git a/linux_module/main.c b/linux_module/main.c
index efaa20e..fdab7b3 100644 (file)
--- a/linux_module/main.c
+++ b/linux_module/main.c
@@ -150,7 +150,11 @@ out_err:
 
            INFO("Freeing VM (%s) (%p)\n", guest->name, guest);
 
-           free_palacios_vm(guest);
+           if (free_palacios_vm(guest)<0) { 
+               ERROR("Cannot free guest at index %ld\n",vm_idx);
+               return -1;
+           }
+
            guest_map[vm_idx] = NULL;
            break;
        }

diff --git a/linux_module/vm.c b/linux_module/vm.c
index 624cc39..5584b38 100644 (file)
--- a/linux_module/vm.c
+++ b/linux_module/vm.c
@@ -434,7 +434,9 @@ out_err:
 
 int free_palacios_vm(struct v3_guest * guest) {
 
-    v3_free_vm(guest->v3_ctx);
+    if (v3_free_vm(guest->v3_ctx)<0) { 
+       return -1;
+    }
 
     device_destroy(v3_class, guest->vm_dev);