lua: Don't crash when reactivating an extension.

Close #5019
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

diff --git a/modules/lua/extension.c b/modules/lua/extension.c
index 541d06cfd44edd68ffaf96fc6525a472b58a5443..25b6c3435e968b9e7d647204dfa7cf8f16a3c3b8 100644 (file)
--- a/modules/lua/extension.c
+++ b/modules/lua/extension.c
@@ -654,6 +654,7 @@ int lua_ExtensionDeactivate( extensions_manager_t *p_mgr, extension_t *p_ext )
             vlc_gc_decref( p_item );
         }
         vlc_object_release( p_ext->p_sys->p_input );
+        p_ext->p_sys->p_input = NULL;
     }
 
     int i_ret = lua_ExecuteFunction( p_mgr, p_ext, "deactivate", LUA_END );