fix uci revert

diff --git a/history.c b/history.c
index 1fe2900821a8d8a10715ff73eced4357a6d066ce..789cd875429d72c61f9573188e080137b383f426 100644 (file)
--- a/history.c
+++ b/history.c
@@ -332,7 +332,7 @@ int uci_revert(struct uci_context *ctx, struct uci_ptr *ptr)
        char *option = NULL;
 
        UCI_HANDLE_ERR(ctx);
-       expand_ptr(ctx, ptr, true);
+       expand_ptr(ctx, ptr, false);
        UCI_ASSERT(ctx, ptr->p->has_history);
 
        /* 
@@ -348,8 +348,10 @@ int uci_revert(struct uci_context *ctx, struct uci_ptr *ptr)
        /* NB: need to clone package, section and option names, 
         * as they may get freed on uci_free_package() */
        package = uci_strdup(ctx, ptr->p->e.name);
-       section = uci_strdup(ctx, ptr->section);
-       option = uci_strdup(ctx, ptr->option);
+       if (ptr->section)
+               section = uci_strdup(ctx, ptr->section);
+       if (ptr->option)
+               option = uci_strdup(ctx, ptr->option);
 
        uci_free_package(&ptr->p);
        uci_filter_history(ctx, package, section, option);