From: Samuel Ortiz <sameo@linux.intel.com>
Date: Mon, 5 Mar 2012 00:03:39 +0000 (+0100)
Subject: NFC: Clear pn533 target structure
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=98b3ac1b980b0c0ffff24fda8d13ab8c216df4d1;p=linux-beck.git

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>
---

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) {