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SubjectRe: [PATCH] staging: rtl871x_mlme.c: use is_zero_ether_addr() instead of memcmp()
On 08/23/2012 02:20 AM, Wei Yongjun wrote:
> From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
>
> Using is_zero_ether_addr() instead of directly use
> memcmp() to determine if the ethernet address is
> all zeros.
>
> 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/rtl871x_mlme.c | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)

The content of this patch is OK, but the subject line needs to be "staging:
r8712u: rtl871x_mlme.c" use ....". Without that "r8712u" addition, searching the
git log for all changes to r8712u is a lot harder.

With that change: ACKED-by: Larry Finger <Larry.Finger@lwfinger.net>

> diff --git a/drivers/staging/rtl8712/rtl871x_mlme.c b/drivers/staging/rtl8712/rtl871x_mlme.c
> index dc7adc1..c51ad9e 100644
> --- a/drivers/staging/rtl8712/rtl871x_mlme.c
> +++ b/drivers/staging/rtl8712/rtl871x_mlme.c
> @@ -28,6 +28,8 @@
>
> #define _RTL871X_MLME_C_
>
> +#include <linux/etherdevice.h>
> +
> #include "osdep_service.h"
> #include "drv_types.h"
> #include "recv_osdep.h"
> @@ -146,9 +148,8 @@ static struct wlan_network *_r8712_find_network(struct __queue *scanned_queue,
> unsigned long irqL;
> struct list_head *phead, *plist;
> struct wlan_network *pnetwork = NULL;
> - u8 zero_addr[ETH_ALEN] = {0, 0, 0, 0, 0, 0};
>
> - if (!memcmp(zero_addr, addr, ETH_ALEN))
> + if (is_zero_ether_addr(addr))
> return NULL;
> spin_lock_irqsave(&scanned_queue->lock, irqL);
> phead = get_list_head(scanned_queue);
>
>
>



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