Re: [PATCH V2] staging: gdm72xx: move T_CAPABILITY definitions to hci.h

From: Dan Carpenter
Date: Wed Jul 09 2014 - 06:26:18 EST


On Wed, Jul 02, 2014 at 11:18:07AM +0100, Michalis Pappas wrote:
> Signed-off-by: Michalis Pappas <mpappas@xxxxxxxxxxx>
> ---
> drivers/staging/gdm72xx/gdm_wimax.c | 11 ++++-------
> drivers/staging/gdm72xx/hci.h | 6 ++++++
> 2 files changed, 10 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/staging/gdm72xx/gdm_wimax.c b/drivers/staging/gdm72xx/gdm_wimax.c
> index 4148013..50b7bf0 100644
> --- a/drivers/staging/gdm72xx/gdm_wimax.c
> +++ b/drivers/staging/gdm72xx/gdm_wimax.c
> @@ -609,10 +609,7 @@ static void gdm_wimax_prepare_device(struct net_device *dev)
> u16 len = 0;
> u32 val = 0;
>
> - #define BIT_MULTI_CS 0
> - #define BIT_WIMAX 1
> - #define BIT_QOS 2
> - #define BIT_AGGREGATION 3
> +
>
> /* GetInformation mac address */
> len = 0;
> @@ -621,12 +618,12 @@ static void gdm_wimax_prepare_device(struct net_device *dev)
> hci->length = H2B(len);
> gdm_wimax_send(nic, hci, HCI_HEADER_SIZE+len);
>
> - val = (1<<BIT_WIMAX) | (1<<BIT_MULTI_CS);
> + val = (1 << T_CAPABILITY_WIMAX) | (1 << T_CAPABILITY_MULTI_CS);

Double shifting here... It should just be:

val = T_CAPABILITY_WIMAX | T_CAPABILITY_MULTI_CS;

This bug feels like something a static checker should find. Let me test
that.

regards,
dan carpenter

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