drivers/net: 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>
diff --git a/drivers/net/wireless/iwlegacy/common.c b/drivers/net/wireless/iwlegacy/common.c
index eaf24945..cbf2dc1 100644
--- a/drivers/net/wireless/iwlegacy/common.c
+++ b/drivers/net/wireless/iwlegacy/common.c
@@ -1896,8 +1896,8 @@
 		sta_id = il->hw_params.bcast_id;
 	else
 		for (i = IL_STA_ID; i < il->hw_params.max_stations; i++) {
-			if (!compare_ether_addr
-			    (il->stations[i].sta.sta.addr, addr)) {
+			if (ether_addr_equal(il->stations[i].sta.sta.addr,
+					     addr)) {
 				sta_id = i;
 				break;
 			}
@@ -1926,7 +1926,7 @@
 
 	if ((il->stations[sta_id].used & IL_STA_DRIVER_ACTIVE) &&
 	    (il->stations[sta_id].used & IL_STA_UCODE_ACTIVE) &&
-	    !compare_ether_addr(il->stations[sta_id].sta.sta.addr, addr)) {
+	    ether_addr_equal(il->stations[sta_id].sta.sta.addr, addr)) {
 		D_ASSOC("STA %d (%pM) already added, not adding again.\n",
 			sta_id, addr);
 		return sta_id;
@@ -3744,10 +3744,10 @@
 
 	/* These items are only settable from the full RXON command */
 	CHK(!il_is_associated(il));
-	CHK(compare_ether_addr(staging->bssid_addr, active->bssid_addr));
-	CHK(compare_ether_addr(staging->node_addr, active->node_addr));
-	CHK(compare_ether_addr
-	    (staging->wlap_bssid_addr, active->wlap_bssid_addr));
+	CHK(!ether_addr_equal(staging->bssid_addr, active->bssid_addr));
+	CHK(!ether_addr_equal(staging->node_addr, active->node_addr));
+	CHK(!ether_addr_equal(staging->wlap_bssid_addr,
+			      active->wlap_bssid_addr));
 	CHK_NEQ(staging->dev_type, active->dev_type);
 	CHK_NEQ(staging->channel, active->channel);
 	CHK_NEQ(staging->air_propagation, active->air_propagation);