From 2ae9f4d72d7907e8edda7d361a0eb84a86f1bab3 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Tue, 18 Aug 2009 21:04:40 +0200
Subject: [PATCH] do not fail when attempting to set a nonexistant option to an
 empty value

---
 list.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/list.c b/list.c
index 352596d..cd995fe 100644
--- a/list.c
+++ b/list.c
@@ -667,6 +667,11 @@ int uci_set(struct uci_context *ctx, struct uci_ptr *ptr)
 			ptr->o = uci_to_option(e);
 	}
 	if (!ptr->value[0]) {
+		/* if setting a nonexistant option/section to a nonexistant value,
+		 * exit without errors */
+		if (!(ptr->flags & UCI_LOOKUP_COMPLETE))
+			return 0;
+
 		return uci_delete(ctx, ptr);
 	} else if (!ptr->o && ptr->option) { /* new option */
 		ptr->o = uci_alloc_option(ptr->s, ptr->option, ptr->value);
-- 
2.41.0