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path: root/net/nfc/nci/ntf.c
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Diffstat (limited to 'net/nfc/nci/ntf.c')
-rw-r--r--net/nfc/nci/ntf.c32
1 files changed, 22 insertions, 10 deletions
diff --git a/net/nfc/nci/ntf.c b/net/nfc/nci/ntf.c
index 4c0be7e82d29..6e041ac49e17 100644
--- a/net/nfc/nci/ntf.c
+++ b/net/nfc/nci/ntf.c
@@ -723,18 +723,30 @@ static void nci_nfcee_discover_ntf_packet(struct nci_dev *ndev,
pr_debug("\n");
- conn_info = devm_kzalloc(&ndev->nfc_dev->dev,
- sizeof(struct nci_conn_info), GFP_KERNEL);
- if (!conn_info) {
- status = NCI_STATUS_REJECTED;
- goto exit;
- }
+ /* NFCForum NCI 9.2.1 HCI Network Specific Handling
+ * If the NFCC supports the HCI Network, it SHALL return one,
+ * and only one, NFCEE_DISCOVER_NTF with a Protocol type of
+ * “HCI Access”, even if the HCI Network contains multiple NFCEEs.
+ */
+ if (!ndev->hci_dev->conn_info) {
+ conn_info = devm_kzalloc(&ndev->nfc_dev->dev,
+ sizeof(*conn_info), GFP_KERNEL);
+ if (!conn_info) {
+ status = NCI_STATUS_REJECTED;
+ goto exit;
+ }
- conn_info->id = nfcee_ntf->nfcee_id;
- conn_info->conn_id = NCI_INVALID_CONN_ID;
+ conn_info->id = nfcee_ntf->nfcee_id;
+ conn_info->conn_id = NCI_INVALID_CONN_ID;
- INIT_LIST_HEAD(&conn_info->list);
- list_add(&conn_info->list, &ndev->conn_info_list);
+ conn_info->data_exchange_cb = nci_hci_data_received_cb;
+ conn_info->data_exchange_cb_context = ndev;
+
+ INIT_LIST_HEAD(&conn_info->list);
+ list_add(&conn_info->list, &ndev->conn_info_list);
+
+ ndev->hci_dev->conn_info = conn_info;
+ }
exit:
nci_req_complete(ndev, status);