ossl_method_store_cache_get(): ensure non-NULL property query
The comparator further down the call stack doesn't tolerate NULL, so
if we got that as input, use the empty string.
@@ -450,7 +450,7 @@ int ossl_method_store_cache_get(OSSL_METHOD_STORE *store, int nid,
return 0;
}
- elem.query = prop_query;
+ elem.query = prop_query != NULL ? prop_query : "";
r = lh_QUERY_retrieve(alg->cache, &elem);
if (r == NULL) {
ossl_property_unlock(store);
