dpp-nfc: Detect a non-NDEF tag when trying to write

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>

diff --git a/wpa_supplicant/examples/dpp-nfc.py b/wpa_supplicant/examples/dpp-nfc.py
index a9465411ef9964ac6a16e8476c402c60815cc930..8bf219a0614e9e0f0febd100680cfcde5b9b7d38 100755 (executable)
--- a/wpa_supplicant/examples/dpp-nfc.py
+++ b/wpa_supplicant/examples/dpp-nfc.py
@@ -584,6 +584,9 @@ def dpp_tag_read(tag):
 
 def rdwr_connected_write_tag(tag):
     summary("Tag found - writing - " + str(tag))
+    if not tag.ndef:
+        summary("Not a formatted NDEF tag")
+        return
     if not tag.ndef.is_writeable:
         summary("Not a writable tag")
         return