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-rw-r--r--util/oslib-win32.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/util/oslib-win32.c b/util/oslib-win32.c
index e7e283e875..640194c0cf 100644
--- a/util/oslib-win32.c
+++ b/util/oslib-win32.c
@@ -71,7 +71,9 @@ void *qemu_vmalloc(size_t size)
 void qemu_vfree(void *ptr)
 {
     trace_qemu_vfree(ptr);
-    VirtualFree(ptr, 0, MEM_RELEASE);
+    if (ptr) {
+        VirtualFree(ptr, 0, MEM_RELEASE);
+    }
 }
 
 /* FIXME: add proper locking */