coroutine-lock: place CoMutex before CoQueue in header

[mirror_qemu.git] / memory.c

diff --git a/memory.c b/memory.c
index 64987275522f4909285586746d4378dfab6f13bd..ed8b5aa83ee7300a6139f8df4d6ef899196d891e 100644 (file)
--- a/memory.c
+++ b/memory.c
@@ -24,7 +24,7 @@
 #include "qemu/bitops.h"
 #include "qemu/error-report.h"
 #include "qom/object.h"
-#include "trace.h"
+#include "trace-root.h"
 
 #include "exec/memory-internal.h"
 #include "exec/ram_addr.h"
@@ -2371,8 +2371,13 @@ void memory_listener_register(MemoryListener *listener, AddressSpace *as)
 
 void memory_listener_unregister(MemoryListener *listener)
 {
+    if (!listener->address_space) {
+        return;
+    }
+
     QTAILQ_REMOVE(&memory_listeners, listener, link);
     QTAILQ_REMOVE(&listener->address_space->listeners, listener, link_as);
+    listener->address_space = NULL;
 }
 
 void address_space_init(AddressSpace *as, MemoryRegion *root, const char *name)