Index: utils/librfid-tool.c
===================================================================
--- x/utils/librfid-tool.c	(revision 2089)
+++ x/utils/librfid-tool.c	(working copy)
@@ -456,6 +456,10 @@
 
 	if (rh->reader->l2_supported & (1 << layer2)) {
 		l2h = rfid_layer2_init(rh, layer2);
+		if (!l2h) {
+			printf("error during layer2(%d)_init (0=14a,1=14b,3=15)\n",layer2);
+			return;
+		}
 		printf("Layer2 init ok\n");
 		rc = rfid_layer2_open(l2h);
 	} else {