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>

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: