Re: [PATCH -next] Bluetooth: btusb: Fix the application of sizeof to pointer

From: Marcel Holtmann
Date: Fri Sep 10 2021 - 03:33:52 EST


Hi Yang,

> sizeof() when applied to a pointer typed expression gives the size of
> the pointer.
>
> Clean up coccicheck warning:
> ./drivers/bluetooth/btusb.c:2210:36-42: ERROR: application of sizeof to
> pointer
>
> Reported-by: Abaci Robot <abaci@xxxxxxxxxxxxxxxxx>
> Signed-off-by: Yang Li <yang.lee@xxxxxxxxxxxxxxxxx>
> ---
> drivers/bluetooth/btusb.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
> index 928cbfa..5bf479e 100644
> --- a/drivers/bluetooth/btusb.c
> +++ b/drivers/bluetooth/btusb.c
> @@ -2207,7 +2207,7 @@ static int btusb_set_bdaddr_mtk(struct hci_dev *hdev, const bdaddr_t *bdaddr)
> struct sk_buff *skb;
> long ret;
>
> - skb = __hci_cmd_sync(hdev, 0xfc1a, sizeof(bdaddr), bdaddr, HCI_INIT_TIMEOUT);
> + skb = __hci_cmd_sync(hdev, 0xfc1a, sizeof(*bdaddr), bdaddr, HCI_INIT_TIMEOUT);

lets just do 0xfc1a, 6, bdaddr like the other functions do as well.

Regards

Marcel