luci-mod-dashboard: prevent null or undefined 'ifc'

This can happen on factory fresh settings, or a box not yet connected.

follow-up fix for c75232d8d29ba5a9cc5c07c3fff65248f12f1b08

Signed-off-by: Paul Donald <newtwen+github@gmail.com>

1 files changed, 19 insertions, 18 deletions

diff --git a/modules/luci-mod-dashboard/htdocs/luci-static/resources/view/dashboard/include/10_router.js b/modules/luci-mod-dashboard/htdocs/luci-static/resources/view/dashboard/include/10_router.js
index f5002df84d..4cc671da52 100644
--- a/modules/luci-mod-dashboard/htdocs/luci-static/resources/view/dashboard/include/10_router.js
+++ b/modules/luci-mod-dashboard/htdocs/luci-static/resources/view/dashboard/include/10_router.js
@@ -153,24 +153,25 @@ return baseclass.extend({
 		 }
 
 		var ifc = data[min_metric_i];
-
-		if (v6) {
-			var uptime = ifc.getUptime();
-			this.params.internet.v6.uptime.value = (uptime > 0) ? '%t'.format(uptime) : '-';
-			this.params.internet.v6.ipprefixv6.value =  ifc.getIP6Prefix() || '-';
-			this.params.internet.v6.gatewayv6.value =  ifc.getGateway6Addr() || '-';
-			this.params.internet.v6.protocol.value=  ifc.getI18n() || E('em', _('Not connected'));
-			this.params.internet.v6.addrsv6.value = ifc.getIP6Addrs() || [ '-' ];
-			this.params.internet.v6.dnsv6.value = ifc.getDNS6Addrs() || [ '-' ];
-			this.params.internet.v6.connected.value = ifc.isUp();
-		} else {
-			var uptime = ifc.getUptime();
-			this.params.internet.v4.uptime.value = (uptime > 0) ? '%t'.format(uptime) : '-';
-			this.params.internet.v4.protocol.value=  ifc.getI18n() || E('em', _('Not connected'));
-			this.params.internet.v4.gatewayv4.value =  ifc.getGatewayAddr() || '0.0.0.0';
-			this.params.internet.v4.connected.value = ifc.isUp();
-			this.params.internet.v4.addrsv4.value = ifc.getIPAddrs() || [ '-'];
-			this.params.internet.v4.dnsv4.value = ifc.getDNSAddrs() || [ '-' ];
+		if(ifc){
+			if (v6) {
+				var uptime = ifc.getUptime();
+				this.params.internet.v6.uptime.value = (uptime > 0) ? '%t'.format(uptime) : '-';
+				this.params.internet.v6.ipprefixv6.value =  ifc.getIP6Prefix() || '-';
+				this.params.internet.v6.gatewayv6.value =  ifc.getGateway6Addr() || '-';
+				this.params.internet.v6.protocol.value=  ifc.getI18n() || E('em', _('Not connected'));
+				this.params.internet.v6.addrsv6.value = ifc.getIP6Addrs() || [ '-' ];
+				this.params.internet.v6.dnsv6.value = ifc.getDNS6Addrs() || [ '-' ];
+				this.params.internet.v6.connected.value = ifc.isUp();
+			} else {
+				var uptime = ifc.getUptime();
+				this.params.internet.v4.uptime.value = (uptime > 0) ? '%t'.format(uptime) : '-';
+				this.params.internet.v4.protocol.value=  ifc.getI18n() || E('em', _('Not connected'));
+				this.params.internet.v4.gatewayv4.value =  ifc.getGatewayAddr() || '0.0.0.0';
+				this.params.internet.v4.connected.value = ifc.isUp();
+				this.params.internet.v4.addrsv4.value = ifc.getIPAddrs() || [ '-'];
+				this.params.internet.v4.dnsv4.value = ifc.getDNSAddrs() || [ '-' ];
+			}
 		}
 	},