staging: ks7010: refactor hostif_sme_set_pmksa function

This commits refactor a bit hostif_sme_set_pmksa function:
 - avoid one level indentation changing if condition.
 - use ether_addr_copy to copy bssid addresses.
 - move 'i' initialization to declaration place.
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/ks7010/ks_hostif.c

@@ -2059,17 +2059,15 @@ void hostif_sme_set_pmksa(struct ks_wlan_private *priv)
 		} __packed list[PMK_LIST_MAX];
 	} __packed pmkcache;
 	struct pmk *pmk;
-	int i;
+	int i = 0;
 
-	i = 0;
 	list_for_each_entry(pmk, &priv->pmklist.head, list) {
-		if (i < PMK_LIST_MAX) {
-			memcpy(pmkcache.list[i].bssid, pmk->bssid, ETH_ALEN);
-			memcpy(pmkcache.list[i].pmkid, pmk->pmkid,
-			       IW_PMKID_LEN);
+		if (i >= PMK_LIST_MAX)
+			break;
+		ether_addr_copy(pmkcache.list[i].bssid, pmk->bssid);
+		memcpy(pmkcache.list[i].pmkid, pmk->pmkid, IW_PMKID_LEN);
 		i++;
 	}
-	}
 	pmkcache.size = cpu_to_le16((uint16_t)(priv->pmklist.size));
 	hostif_mib_set_request(priv, LOCAL_PMK,
 			       sizeof(priv->pmklist.size) + (ETH_ALEN +