linux-kernel - Re: [PATCH 1/1 net-next] Bluetooth: fix shadow warning in hci

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Message-Id: <2F67F6E8-CA99-4998-AE68-89E60D62C39D@holtmann.org>
Date:	Thu, 23 Oct 2014 09:29:08 -0700
From:	Marcel Holtmann <marcel@...tmann.org>
To:	Fabian Frederick <fabf@...net.be>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>,
	"Gustavo F. Padovan" <gustavo@...ovan.org>,
	Johan Hedberg <johan.hedberg@...il.com>,
	"David S. Miller" <davem@...emloft.net>,
	BlueZ development <linux-bluetooth@...r.kernel.org>,
	Network Development <netdev@...r.kernel.org>
Subject: Re: [PATCH 1/1 net-next] Bluetooth: fix shadow warning in hci_disconnect()

Hi Fabian,

> use cpr for hci_cp_read_clock_offset instead of cp
> (already defined above).
> 
> Signed-off-by: Fabian Frederick <fabf@...net.be>
> ---
> net/bluetooth/hci_conn.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
> index b9517bd..6151e09 100644
> --- a/net/bluetooth/hci_conn.c
> +++ b/net/bluetooth/hci_conn.c
> @@ -141,10 +141,10 @@ int hci_disconnect(struct hci_conn *conn, __u8 reason)
> 	 */
> 	if (conn->type == ACL_LINK && conn->role == HCI_ROLE_MASTER) {
> 		struct hci_dev *hdev = conn->hdev;
> -		struct hci_cp_read_clock_offset cp;
> +		struct hci_cp_read_clock_offset cpr;
> 
> -		cp.handle = cpu_to_le16(conn->handle);
> -		hci_send_cmd(hdev, HCI_OP_READ_CLOCK_OFFSET, sizeof(cp), &cp);
> +		cpr.handle = cpu_to_le16(conn->handle);
> +		hci_send_cmd(hdev, HCI_OP_READ_CLOCK_OFFSET, sizeof(cpr), &cpr);

valid change, but I do not like cpr as variable name. We need to come up with a better one. There are other places in the code where we had the same thing. Please have a look there.

Regards

Marcel

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