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authorHiren Tandel <hirent@marvell.com>2014-05-06 08:51:50 +0200
committerSamuel Ortiz <sameo@linux.intel.com>2014-05-19 23:58:08 +0200
commitc79d9f9ef86683824c195b093106222ff0611c10 (patch)
treee9981c9cf7859889cbbe8938ba3bf1b2a74f073e /net/nfc
parentNFC: digital: Handle multiple SENSF_REQ frames (diff)
downloadlinux-c79d9f9ef86683824c195b093106222ff0611c10.tar.xz
linux-c79d9f9ef86683824c195b093106222ff0611c10.zip
NFC: NCI: No need to reverse ATR_RES Response
ATR_RES response received within Activation Parameters is already in correct order. Reversing it fails LLCP magic number check and so P2P functionality fails. Signed-off-by: Hiren Tandel <hirent@marvell.com> Signed-off-by: Rahul Tank <rahult@marvell.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'net/nfc')
-rw-r--r--net/nfc/nci/ntf.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/net/nfc/nci/ntf.c b/net/nfc/nci/ntf.c
index 1e905097456b..f8f6af231381 100644
--- a/net/nfc/nci/ntf.c
+++ b/net/nfc/nci/ntf.c
@@ -366,7 +366,6 @@ static int nci_extract_activation_params_nfc_dep(struct nci_dev *ndev,
struct nci_rf_intf_activated_ntf *ntf, __u8 *data)
{
struct activation_params_poll_nfc_dep *poll;
- int i;
switch (ntf->activation_rf_tech_and_mode) {
case NCI_NFC_A_PASSIVE_POLL_MODE:
@@ -374,10 +373,8 @@ static int nci_extract_activation_params_nfc_dep(struct nci_dev *ndev,
poll = &ntf->activation_params.poll_nfc_dep;
poll->atr_res_len = min_t(__u8, *data++, 63);
pr_debug("atr_res_len %d\n", poll->atr_res_len);
- if (poll->atr_res_len > 0) {
- for (i = 0; i < poll->atr_res_len; i++)
- poll->atr_res[poll->atr_res_len-1-i] = data[i];
- }
+ if (poll->atr_res_len > 0)
+ memcpy(poll->atr_res, data, poll->atr_res_len);
break;
default: