Fix cache save submodule recursion

diff --git a/src/modules/cache.c b/src/modules/cache.c
index a917a9a2783d470c2878623a0687fb3954779882..570ad8c9ec3cf189c18a4412831cfe50c0cad9cd 100644 (file)
--- a/src/modules/cache.c
+++ b/src/modules/cache.c
@@ -616,7 +616,9 @@ error:
 
 static int CacheSaveSubmodule( FILE *file, module_t *p_module )
 {
-    if( p_module->next && CacheSaveSubmodule( file, p_module->next ) )
+    if( !p_module )
+        return 0;
+    if( CacheSaveSubmodule( file, p_module->next ) )
         goto error;
 
     SAVE_STRING( p_module->psz_object_name );