NFC: Clear pn533 target structure

The polled target structure should be memset to 0 in order to avoid
sel_res and sens_res garbage.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/nfc/pn533.c b/drivers/nfc/pn533.c
index 8be0ae626d73..a5766042f0ee 100644
--- a/drivers/nfc/pn533.c
+++ b/drivers/nfc/pn533.c
@@ -904,6 +904,8 @@ static int pn533_target_found(struct pn533 *dev,
         if (resp->tg != 1)
                 return -EPROTO;
 
+        memset(&nfc_tgt, 0, sizeof(struct nfc_target));
+
         target_data_len = resp_len - sizeof(struct pn533_poll_response);
 
         switch (dev->poll_mod_curr) {