luci-mod-network: fix rebind list validation

Fixes: 62e28f4b0 ("luci-mod-network: dhcp.js: fix address and rebind list validation")
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
(cherry picked from commit 3cdd4969466de7efd2cfe0534119acdc6f35218e)

diff --git a/modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js b/modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js
index a20ecca5b2cf2d21772f09e59bd632ed36295bac..97befef290759a56f12ae5223849b68b2cc91fe5 100644 (file)
--- a/modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js
+++ b/modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js
@@ -76,6 +76,9 @@ function validateHostname(sid, s) {
 }
 
 function validateAddressList(sid, s) {
+       if (s == null || s == '')
+               return true;
+
        var m = s.match(/^\/(.+)\/$/),
            names = m ? m[1].split(/\//) : [ s ];