Commit 91047df3 authored by Paolo Bonzini's avatar Paolo Bonzini Committed by Michael S. Tsirkin
Browse files

exec: make address_space_cache_destroy idempotent 



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

Reviewed-by: default avatarStefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
Reviewed-by: default avatarPhilippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: default avatarMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
parent 9796d0ac

exec.c

+1 −0
Original line number Diff line number Diff line
@@ -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