From: Daniel Golle <daniel@makrotopia.org>
Date: Wed, 21 Feb 2024 00:06:37 +0000 (+0000)
Subject: hotplug-dispatch: don't filter empty env variables
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=2f949727e49a65893b1ccb9539ed6421f219dfb9;p=project%2Fprocd.git

hotplug-dispatch: don't filter empty env variables

Empty environment variables are a valid case and are needed to
override (or remove) existing variables such as HOSTNAME.

Reported-by: Hartmut Birr <e9hack@gmail.com>
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
---

diff --git a/hotplug-dispatch.c b/hotplug-dispatch.c
index f1ece38..4706085 100644
--- a/hotplug-dispatch.c
+++ b/hotplug-dispatch.c
@@ -241,9 +241,6 @@ static int hotplug_call(struct ubus_context *ctx, struct ubus_object *obj,
 			continue;
 		*tmp = '=';
 
-		if (!strlen(++tmp))
-			continue;
-
 		if (!strcmp(enve, "ASYNC=0"))
 			async = false;