From: Paolo Bonzini <[email protected]>

Clear cache->mr so that address_space_cache_destroy does nothing
the second time it is called.

Reviewed-by: Stefan Hajnoczi <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
Reviewed-by: Philippe Mathieu-Daudé <[email protected]>
Reviewed-by: Michael S. Tsirkin <[email protected]>
Signed-off-by: Michael S. Tsirkin <[email protected]>
---
 exec.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/exec.c b/exec.c
index 6fa337b..865a1e8 100644
--- a/exec.c
+++ b/exec.c
@@ -3166,6 +3166,7 @@ void address_space_cache_destroy(MemoryRegionCache *cache)
         xen_invalidate_map_cache_entry(cache->ptr);
     }
     memory_region_unref(cache->mr);
+    cache->mr = NULL;
 }
 
 /* Called from RCU critical section.  This function has the same
-- 
MST


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