linux-kernel - [PATCH 4.2 070/124] NFC: nci: extract pipe value using NCI_HCP_MSG_GET

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Message-Id: <20151207144923.122793164@linuxfoundation.org>
Date:	Mon,  7 Dec 2015 09:56:00 -0500
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org,
	Christophe Ricard <christophe-h.ricard@...com>,
	Samuel Ortiz <sameo@...ux.intel.com>
Subject: [PATCH 4.2 070/124] NFC: nci: extract pipe value using NCI_HCP_MSG_GET_PIPE

4.2-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Christophe Ricard <christophe.ricard@...il.com>

commit e65917b6d54f8b47d8293ea96adfa604fd46cf0d upstream.

When receiving data in nci_hci_msg_rx_work, extract pipe
value using NCI_HCP_MSG_GET_PIPE macro.

Signed-off-by: Christophe Ricard <christophe-h.ricard@...com>
Signed-off-by: Samuel Ortiz <sameo@...ux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 net/nfc/nci/hci.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/net/nfc/nci/hci.c
+++ b/net/nfc/nci/hci.c
@@ -402,7 +402,7 @@ static void nci_hci_msg_rx_work(struct w
 	u8 pipe, type, instruction;
 
 	while ((skb = skb_dequeue(&hdev->msg_rx_queue)) != NULL) {
-		pipe = skb->data[0];
+		pipe = NCI_HCP_MSG_GET_PIPE(skb->data[0]);
 		skb_pull(skb, NCI_HCI_HCP_PACKET_HEADER_LEN);
 		message = (struct nci_hcp_message *)skb->data;
 		type = NCI_HCP_MSG_GET_TYPE(message->header);
@@ -439,7 +439,7 @@ void nci_hci_data_received_cb(void *cont
 
 	/* it's the last fragment. Does it need re-aggregation? */
 	if (skb_queue_len(&ndev->hci_dev->rx_hcp_frags)) {
-		pipe = packet->header & NCI_HCI_FRAGMENT;
+		pipe = NCI_HCP_MSG_GET_PIPE(packet->header);
 		skb_queue_tail(&ndev->hci_dev->rx_hcp_frags, skb);
 
 		msg_len = 0;


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