diff options
Diffstat (limited to 'drivers/nfc/pn533.c')
| -rw-r--r-- | drivers/nfc/pn533.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/nfc/pn533.c b/drivers/nfc/pn533.c index 3df19e657bc1..cf1a87bb74f8 100644 --- a/drivers/nfc/pn533.c +++ b/drivers/nfc/pn533.c @@ -521,6 +521,9 @@ static bool pn533_acr122_is_rx_frame_valid(void *_frame, struct pn533 *dev) if (frame->ccid.type != 0x83) return false; + if (!frame->ccid.datalen) + return false; + if (frame->data[frame->ccid.datalen - 2] == 0x63) return false; |