fix crash of librfid-tool in scan function (Mate Soos)

git-svn-id: https://svn.gnumonks.org/trunk/librfid@2105 e0336214-984f-0b4b-a45f-81c69e1f0ede

diff --git a/utils/librfid-tool.c b/utils/librfid-tool.c
index 5f8698c..c8b59ea 100644 (file)
--- a/utils/librfid-tool.c
+++ b/utils/librfid-tool.c
@@ -456,6 +456,11 @@ static void do_enum(int layer2)
 
        if (rh->reader->l2_supported & (1 << layer2)) {
                l2h = rfid_layer2_init(rh, layer2);
+               if (!l2h) {
+                       printf("error during layer2(%s)_init\n",
+                              l2_names[layer2]);
+                       return;
+               }
                printf("Layer2 init ok\n");
                rc = rfid_layer2_open(l2h);
        } else {