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SubjectRe: [PATCH] staging: r8712u: use is_broadcast_ether_addr() to simplify the code
On 08/25/2012 08:22 PM, Wei Yongjun wrote:
> From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
>
> Using is_broadcast_ether_addr() to simplify the code.
>
> spatch with a semantic match is used to found this problem.
> (http://coccinelle.lip6.fr/)
>
>
> Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
> ---
> drivers/staging/rtl8712/ethernet.h | 8 --------
> drivers/staging/rtl8712/rtl871x_ioctl_linux.c | 4 +---
> drivers/staging/rtl8712/rtl871x_ioctl_set.c | 6 ++----
> 3 files changed, 3 insertions(+), 15 deletions(-)

ACKed-by: Larry Finger <Larry.Finger@lwfinger.net>

Thanks,

Larry

>
> diff --git a/drivers/staging/rtl8712/ethernet.h b/drivers/staging/rtl8712/ethernet.h
> index 882d61b..9095420 100644
> --- a/drivers/staging/rtl8712/ethernet.h
> +++ b/drivers/staging/rtl8712/ethernet.h
> @@ -35,14 +35,6 @@
>
> /*!< Is Multicast Address? */
> #define RT_ETH_IS_MULTICAST(_pAddr) ((((u8 *)(_pAddr))[0]&0x01) != 0)
> -/*!< Is Broadcast Address? */
> -#define RT_ETH_IS_BROADCAST(_pAddr) ( \
> - ((u8 *)(_pAddr))[0] == 0xff && \
> - ((u8 *)(_pAddr))[1] == 0xff && \
> - ((u8 *)(_pAddr))[2] == 0xff && \
> - ((u8 *)(_pAddr))[3] == 0xff && \
> - ((u8 *)(_pAddr))[4] == 0xff && \
> - ((u8 *)(_pAddr))[5] == 0xff)
>
> #endif /* #ifndef __INC_ETHERNET_H */
>
>
> diff --git a/drivers/staging/rtl8712/rtl871x_ioctl_linux.c b/drivers/staging/rtl8712/rtl871x_ioctl_linux.c
> index 35e781f..c9a6a7f 100644
> --- a/drivers/staging/rtl8712/rtl871x_ioctl_linux.c
> +++ b/drivers/staging/rtl8712/rtl871x_ioctl_linux.c
> @@ -407,9 +407,7 @@ static int wpa_set_encryption(struct net_device *dev, struct ieee_param *param,
> if (param_len != (u32)((u8 *) param->u.crypt.key - (u8 *)param) +
> param->u.crypt.key_len)
> return -EINVAL;
> - if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
> - param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
> - param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
> + if (is_broadcast_ether_addr(param->sta_addr)) {
> if (param->u.crypt.idx >= WEP_KEYS) {
> /* for large key indices, set the default (0) */
> param->u.crypt.idx = 0;
>
> diff --git a/drivers/staging/rtl8712/rtl871x_ioctl_set.c b/drivers/staging/rtl8712/rtl871x_ioctl_set.c
> index f352b32..5ab70ab 100644
> --- a/drivers/staging/rtl8712/rtl871x_ioctl_set.c
> +++ b/drivers/staging/rtl8712/rtl871x_ioctl_set.c
> @@ -131,10 +131,7 @@ u8 r8712_set_802_11_bssid(struct _adapter *padapter, u8 *bssid)
> u8 status = true;
> struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
>
> - if ((bssid[0] == 0x00 && bssid[1] == 0x00 && bssid[2] == 0x00 &&
> - bssid[3] == 0x00 && bssid[4] == 0x00 && bssid[5] == 0x00) ||
> - (bssid[0] == 0xFF && bssid[1] == 0xFF && bssid[2] == 0xFF &&
> - bssid[3] == 0xFF && bssid[4] == 0xFF && bssid[5] == 0xFF)) {
> + if (is_zero_ether_addr(bssid) || is_broadcast_ether_addr(bssid)) {
> status = false;
> return status;
> }
>
>
>



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