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drivers/net: use is_zero_ether_addr() instead of memcmp() 

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>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Wei Yongjun 2012-08-23 15:16:44 +08:00 committed by John W. Linville
parent 6977a6b01d
commit c3a2ee9350
2 changed files with 3 additions and 3 deletions
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4
drivers/net/wireless/hostap/hostap_info.c
View File

@ -4,6 +4,7 @@
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/export.h>
#include <linux/etherdevice.h>
#include "hostap_wlan.h"
#include "hostap.h"
#include "hostap_ap.h"
@ -463,8 +464,7 @@ static void handle_info_queue_scanresults(local_info_t *local)
prism2_host_roaming(local);
if (local->host_roaming == 2 && local->iw_mode == IW_MODE_INFRA &&
memcmp(local->preferred_ap, "\x00\x00\x00\x00\x00\x00",
ETH_ALEN) != 0) {
!is_zero_ether_addr(local->preferred_ap)) {
/*
* Firmware seems to be getting into odd state in host_roaming
* mode 2 when hostscan is used without join command, so try

2
drivers/net/wireless/hostap/hostap_main.c
View File

@ -1084,7 +1084,7 @@ int prism2_sta_deauth(local_info_t *local, u16 reason)
__le16 val = cpu_to_le16(reason);
if (local->iw_mode != IW_MODE_INFRA ||
memcmp(local->bssid, "\x00\x00\x00\x00\x00\x00", ETH_ALEN) == 0 ||
is_zero_ether_addr(local->bssid) ||
memcmp(local->bssid, "\x44\x44\x44\x44\x44\x44", ETH_ALEN) == 0)
return 0;