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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 e7e283e..640194c 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 */
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