Allow to internally get dependencies without copying list

diff --git a/libkmod/libkmod-module.c b/libkmod/libkmod-module.c
index 7793062cd13b7c27b1a4f9f8dcd4d51acada369b..4e19af92d694487721ef6ecb5a049cc246599bbb 100644 (file)
--- a/libkmod/libkmod-module.c
+++ b/libkmod/libkmod-module.c
@@ -541,6 +541,25 @@ KMOD_EXPORT int kmod_module_unref_list(struct kmod_list *list)
        return 0;
 }
 
+static const struct kmod_list *module_get_dependencies_noref(const struct kmod_module *mod)
+{
+       if (!mod->init.dep) {
+               /* lazy init */
+               char *line = kmod_search_moddep(mod->ctx, mod->name);
+
+               if (line == NULL)
+                       return NULL;
+
+               kmod_module_parse_depline((struct kmod_module *)mod, line);
+               free(line);
+
+               if (!mod->init.dep)
+                       return NULL;
+       }
+
+       return mod->dep;
+}
+
 /**
  * kmod_module_get_dependencies:
  * @mod: kmod module
@@ -560,19 +579,7 @@ KMOD_EXPORT struct kmod_list *kmod_module_get_dependencies(const struct kmod_mod
        if (mod == NULL)
                return NULL;
 
-       if (!mod->init.dep) {
-               /* lazy init */
-               char *line = kmod_search_moddep(mod->ctx, mod->name);
-
-               if (line == NULL)
-                       return NULL;
-
-               kmod_module_parse_depline((struct kmod_module *)mod, line);
-               free(line);
-
-               if (!mod->init.dep)
-                       return NULL;
-       }
+       module_get_dependencies_noref(mod);
 
        kmod_list_foreach(l, mod->dep) {
                l_new = kmod_list_append(list_new, kmod_module_ref(l->data));