From: Felix Fietkau <nbd@openwrt.org>
Date: Mon, 3 Oct 2011 01:11:30 +0000 (+0200)
Subject: fix device reload with no previous config
X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fnetifd.git;a=commitdiff_plain;h=338e6dc8a5e3d9c5eccc317e0476d43e6e4182c2

fix device reload with no previous config
---

diff --git a/device.c b/device.c
index caadbc3..ab8ff91 100644
--- a/device.c
+++ b/device.c
@@ -305,8 +305,11 @@ device_reload_config(struct device *dev, struct blob_attr *attr)
 
 	blobmsg_parse(dev_attrs, __DEV_ATTR_MAX, tb,
 		blob_data(attr), blob_len(attr));
-	blobmsg_parse(dev_attrs, __DEV_ATTR_MAX, tb1,
-		blob_data(dev->config), blob_len(dev->config));
+	if (dev->config)
+		blobmsg_parse(dev_attrs, __DEV_ATTR_MAX, tb1,
+			blob_data(dev->config), blob_len(dev->config));
+	else
+		memset(tb1, 0, sizeof(tb1));
 
 	if (!config_diff(tb, tb1, &device_attr_list, NULL))
 		return DEV_CONFIG_NO_CHANGE;