The patch below does not apply to the 4.3-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@xxxxxxxxxxxxxxx>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
>From 6443ce97d2266b24f8315cb7e3ff99adf822a597 Mon Sep 17 00:00:00 2001
From: Christophe Ricard <christophe.ricard@xxxxxxxxx>
Date: Sun, 25 Oct 2015 22:54:29 +0100
Subject: [PATCH] NFC: st21nfca: Open NFC_HCI_LINK_MGMT_PIPE
NFC_HCI_LINK_MGMT_PIPE was never opened in nfc_hci_load_session.
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Christophe Ricard <christophe-h.ricard@xxxxxx>
Signed-off-by: Samuel Ortiz <sameo@xxxxxxxxxxxxxxx>
diff --git a/drivers/nfc/st21nfca/core.c b/drivers/nfc/st21nfca/core.c
index 67d1c27a41ee..819a94af3964 100644
--- a/drivers/nfc/st21nfca/core.c
+++ b/drivers/nfc/st21nfca/core.c
@@ -203,22 +203,13 @@ static int st21nfca_hci_load_session(struct nfc_hci_dev *hdev)
}
/*
- * 3 gates have a well known pipe ID.
- * They will never appear in the pipe list
+ * 3 gates have a well known pipe ID. Only NFC_HCI_LINK_MGMT_GATE
+ * is not yet open at this stage.
*/
- if (skb_pipe_list->len + 3 < ARRAY_SIZE(st21nfca_gates)) {
- for (i = skb_pipe_list->len + 3;
- i < ARRAY_SIZE(st21nfca_gates) - 2; i++) {
- r = nfc_hci_connect_gate(hdev,
- NFC_HCI_HOST_CONTROLLER_ID,
- st21nfca_gates[i].gate,
- st21nfca_gates[i].pipe);
- if (r < 0)
- goto free_list;
- }
- }
+ r = nfc_hci_connect_gate(hdev, NFC_HCI_HOST_CONTROLLER_ID,
+ NFC_HCI_LINK_MGMT_GATE,
+ NFC_HCI_LINK_MGMT_PIPE);
-free_list:
kfree_skb(skb_pipe_list);
return r;
}
--
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