From c3a2ee93501645fe9ceeb02335f8d8512770e972 Mon Sep 17 00:00:00 2001 From: Wei Yongjun Date: Thu, 23 Aug 2012 15:16:44 +0800 Subject: [PATCH] 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 Signed-off-by: John W. Linville --- drivers/net/wireless/hostap/hostap_info.c | 4 ++-- drivers/net/wireless/hostap/hostap_main.c | 2 +- 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 47932b2..970a48b 100644 --- a/drivers/net/wireless/hostap/hostap_info.c +++ b/drivers/net/wireless/hostap/hostap_info.c @@ -4,6 +4,7 @@ #include #include #include +#include #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 627bc12..15f0fad 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; -- 2.7.4