Commit 81b30395 authored by Eric Lapuyade's avatar Eric Lapuyade Committed by John W. Linville

NFC: Set target nfcid1 for all HCI reader A targets

Without the discovered target nfcid1 and its length set properly, type 2
tags detection fails with the pn544 as it checks for them from
pn544_hci_complete_target_discovered().
Signed-off-by: default avatarEric Lapuyade <eric.lapuyade@intel.com>
Reported-by: default avatarMathias Jeppsson <mathias.jeppsson@sonymobile.com>
Signed-off-by: default avatarSamuel Ortiz <sameo@linux.intel.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent fe020120
......@@ -170,6 +170,7 @@ static int nfc_hci_target_discovered(struct nfc_hci_dev *hdev, u8 gate)
struct nfc_target *targets;
struct sk_buff *atqa_skb = NULL;
struct sk_buff *sak_skb = NULL;
struct sk_buff *uid_skb = NULL;
int r;
pr_debug("from gate %d\n", gate);
......@@ -205,6 +206,19 @@ static int nfc_hci_target_discovered(struct nfc_hci_dev *hdev, u8 gate)
targets->sens_res = be16_to_cpu(*(u16 *)atqa_skb->data);
targets->sel_res = sak_skb->data[0];
r = nfc_hci_get_param(hdev, NFC_HCI_RF_READER_A_GATE,
NFC_HCI_RF_READER_A_UID, &uid_skb);
if (r < 0)
goto exit;
if (uid_skb->len == 0 || uid_skb->len > NFC_NFCID1_MAXSIZE) {
r = -EPROTO;
goto exit;
}
memcpy(targets->nfcid1, uid_skb->data, uid_skb->len);
targets->nfcid1_len = uid_skb->len;
if (hdev->ops->complete_target_discovered) {
r = hdev->ops->complete_target_discovered(hdev, gate,
targets);
......@@ -240,6 +254,7 @@ static int nfc_hci_target_discovered(struct nfc_hci_dev *hdev, u8 gate)
kfree(targets);
kfree_skb(atqa_skb);
kfree_skb(sak_skb);
kfree_skb(uid_skb);
return r;
}
......
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