commit b203ca39126bad99583c908be587df067820a1ea
author Joe Perches <joe@perches.com> Tue May 08 18:56:52 2012 +0000
committer David S. Miller <davem@davemloft.net> Wed May 09 20:49:18 2012 -0400
tree 940e32bd15392b400cf50c2ac31c7895637c09fe
parent c47fc9814ca15cc075f1f09e8c069b041f2ea397

mac80211: Convert compare_ether_addr to ether_addr_equal

Use the new bool function ether_addr_equal to add
some clarity and reduce the likelihood for misuse
of compare_ether_addr for sorting.

Done via cocci script:

$ cat compare_ether_addr.cocci
@@
expression a,b;
@@
-	!compare_ether_addr(a, b)
+	ether_addr_equal(a, b)

@@
expression a,b;
@@
-	compare_ether_addr(a, b)
+	!ether_addr_equal(a, b)

@@
expression a,b;
@@
-	!ether_addr_equal(a, b) == 0
+	ether_addr_equal(a, b)

@@
expression a,b;
@@
-	!ether_addr_equal(a, b) != 0
+	!ether_addr_equal(a, b)

@@
expression a,b;
@@
-	ether_addr_equal(a, b) == 0
+	!ether_addr_equal(a, b)

@@
expression a,b;
@@
-	ether_addr_equal(a, b) != 0
+	ether_addr_equal(a, b)

@@
expression a,b;
@@
-	!!ether_addr_equal(a, b)
+	ether_addr_equal(a, b)

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/mac80211/sta_info.c

diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 97a9d66..f5b1638 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -102,7 +102,7 @@
 				    lockdep_is_held(&local->sta_mtx));
 	while (sta) {
 		if (sta->sdata == sdata &&
-		    compare_ether_addr(sta->sta.addr, addr) == 0)
+		    ether_addr_equal(sta->sta.addr, addr))
 			break;
 		sta = rcu_dereference_check(sta->hnext,
 					    lockdep_is_held(&local->sta_mtx));
@@ -125,7 +125,7 @@
 	while (sta) {
 		if ((sta->sdata == sdata ||
 		     (sta->sdata->bss && sta->sdata->bss == sdata->bss)) &&
-		    compare_ether_addr(sta->sta.addr, addr) == 0)
+		    ether_addr_equal(sta->sta.addr, addr))
 			break;
 		sta = rcu_dereference_check(sta->hnext,
 					    lockdep_is_held(&local->sta_mtx));
@@ -302,7 +302,7 @@
 	if (unlikely(!ieee80211_sdata_running(sdata)))
 		return -ENETDOWN;
 
-	if (WARN_ON(compare_ether_addr(sta->sta.addr, sdata->vif.addr) == 0 ||
+	if (WARN_ON(ether_addr_equal(sta->sta.addr, sdata->vif.addr) ||
 		    is_multicast_ether_addr(sta->sta.addr)))
 		return -EINVAL;
 
@@ -912,7 +912,7 @@
 	 */
 	for_each_sta_info(hw_to_local(hw), addr, sta, nxt) {
 		if (localaddr &&
-		    compare_ether_addr(sta->sdata->vif.addr, localaddr) != 0)
+		    !ether_addr_equal(sta->sdata->vif.addr, localaddr))
 			continue;
 		if (!sta->uploaded)
 			return NULL;