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>

1 files changed, 4 insertions, 4 deletions

diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 97a9d6639fb9..f5b1638fbf80 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -102,7 +102,7 @@ struct sta_info *sta_info_get(struct ieee80211_sub_if_data *sdata,
                                     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 @@ struct sta_info *sta_info_get_bss(struct ieee80211_sub_if_data *sdata,
         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 @@ static int sta_info_insert_check(struct sta_info *sta)
         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 @@ struct ieee80211_sta *ieee80211_find_sta_by_ifaddr(struct ieee80211_hw *hw,
          */
         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;