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authorWei Yongjun <yongjun_wei@trendmicro.com.cn>2012-08-23 15:16:44 +0800
committerJohn W. Linville <linville@tuxdriver.com>2012-09-07 15:03:38 -0400
commitc3a2ee93501645fe9ceeb02335f8d8512770e972 (patch)
tree2bc2c9deceb9e833af583e137c2b26c514c9f534
parent6977a6b01dc14a1a3d6b70cacfc22dc83cf11984 (diff)
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>
-rw-r--r--drivers/net/wireless/hostap/hostap_info.c4
-rw-r--r--drivers/net/wireless/hostap/hostap_main.c2
2 files changed, 3 insertions, 3 deletions
diff --git a/drivers/net/wireless/hostap/hostap_info.c b/drivers/net/wireless/hostap/hostap_info.c
index 47932b28aac1..970a48baaf80 100644
--- a/drivers/net/wireless/hostap/hostap_info.c
+++ b/drivers/net/wireless/hostap/hostap_info.c
@@ -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
diff --git a/drivers/net/wireless/hostap/hostap_main.c b/drivers/net/wireless/hostap/hostap_main.c
index 627bc12074c7..15f0fad39add 100644
--- a/drivers/net/wireless/hostap/hostap_main.c
+++ b/drivers/net/wireless/hostap/hostap_main.c
@@ -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;