wireless: Use eth_<foo>_addr instead of memset

Use the built-in function instead of memset.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/wireless/ibss.c

@@ -533,7 +533,7 @@ int cfg80211_ibss_wext_giwap(struct net_device *dev,
 	else if (wdev->wext.ibss.bssid)
 		memcpy(ap_addr->sa_data, wdev->wext.ibss.bssid, ETH_ALEN);
 	else
-		memset(ap_addr->sa_data, 0, ETH_ALEN);
+		eth_zero_addr(ap_addr->sa_data);
 
 	wdev_unlock(wdev);
 

net/wireless/nl80211.c

@@ -5683,8 +5683,8 @@ static int nl80211_parse_random_mac(struct nlattr **attrs,
 	int i;
 
 	if (!attrs[NL80211_ATTR_MAC] && !attrs[NL80211_ATTR_MAC_MASK]) {
-		memset(mac_addr, 0, ETH_ALEN);
-		memset(mac_addr_mask, 0, ETH_ALEN);
+		eth_zero_addr(mac_addr);
+		eth_zero_addr(mac_addr_mask);
 		mac_addr[0] = 0x2;
 		mac_addr_mask[0] = 0x3;
 

net/wireless/trace.h

@@ -7,6 +7,7 @@
 #include <linux/tracepoint.h>
 
 #include <linux/rtnetlink.h>
+#include <linux/etherdevice.h>
 #include <net/cfg80211.h>
 #include "core.h"
 
@@ -15,7 +16,7 @@
 	if (given_mac)						     \
 		memcpy(__entry->entry_mac, given_mac, ETH_ALEN);     \
 	else							     \
-		memset(__entry->entry_mac, 0, ETH_ALEN);	     \
+		eth_zero_addr(__entry->entry_mac);		     \
 	} while (0)
 #define MAC_PR_FMT "%pM"
 #define MAC_PR_ARG(entry_mac) (__entry->entry_mac)
@@ -1077,7 +1078,7 @@ TRACE_EVENT(rdev_auth,
 		if (req->bss)
 			MAC_ASSIGN(bssid, req->bss->bssid);
 		else
-			memset(__entry->bssid, 0, ETH_ALEN);
+			eth_zero_addr(__entry->bssid);
 		__entry->auth_type = req->auth_type;
 	),
 	TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", auth type: %d, bssid: " MAC_PR_FMT,
@@ -1103,7 +1104,7 @@ TRACE_EVENT(rdev_assoc,
 		if (req->bss)
 			MAC_ASSIGN(bssid, req->bss->bssid);
 		else
-			memset(__entry->bssid, 0, ETH_ALEN);
+			eth_zero_addr(__entry->bssid);
 		MAC_ASSIGN(prev_bssid, req->prev_bssid);
 		__entry->use_mfp = req->use_mfp;
 		__entry->flags = req->flags;
@@ -1153,7 +1154,7 @@ TRACE_EVENT(rdev_disassoc,
 		if (req->bss)
 			MAC_ASSIGN(bssid, req->bss->bssid);
 		else
-			memset(__entry->bssid, 0, ETH_ALEN);
+			eth_zero_addr(__entry->bssid);
 		__entry->reason_code = req->reason_code;
 		__entry->local_state_change = req->local_state_change;
 	),

net/wireless/wext-sme.c

@@ -322,7 +322,7 @@ int cfg80211_mgd_wext_giwap(struct net_device *dev,
 	if (wdev->current_bss)
 		memcpy(ap_addr->sa_data, wdev->current_bss->pub.bssid, ETH_ALEN);
 	else
-		memset(ap_addr->sa_data, 0, ETH_ALEN);
+		eth_zero_addr(ap_addr->sa_data);
 	wdev_unlock(wdev);
 
 	return 0;