diff options
Diffstat (limited to 'drivers/nfc/pn533.c')
| -rw-r--r-- | drivers/nfc/pn533.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/nfc/pn533.c b/drivers/nfc/pn533.c index 2daf04c0733..cf1a87bb74f 100644 --- a/drivers/nfc/pn533.c +++ b/drivers/nfc/pn533.c @@ -13,9 +13,7 @@ * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the - * Free Software Foundation, Inc., - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * along with this program; if not, see <http://www.gnu.org/licenses/>. */ #include <linux/device.h> @@ -523,6 +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; |