netdev: ARRAY_SIZE() cleanups

Convert array size calculations to use ARRAY_SIZE().

Signed-off-by: Alejandro Martinez Ruiz <alex@flawedcode.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/e1000e/ethtool.c b/drivers/net/e1000e/ethtool.c
index b36b853..e6ff3af 100644
--- a/drivers/net/e1000e/ethtool.c
+++ b/drivers/net/e1000e/ethtool.c
@@ -95,8 +95,7 @@
 	{ "tx_dma_failed", E1000_STAT(tx_dma_failed) },
 };
 
-#define E1000_GLOBAL_STATS_LEN	\
-	sizeof(e1000_gstrings_stats) / sizeof(struct e1000_stats)
+#define E1000_GLOBAL_STATS_LEN	ARRAY_SIZE(e1000_gstrings_stats)
 #define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN)
 static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
 	"Register test  (offline)", "Eeprom test    (offline)",
diff --git a/drivers/net/e1000e/phy.c b/drivers/net/e1000e/phy.c
index 7932318..fc6fee1 100644
--- a/drivers/net/e1000e/phy.c
+++ b/drivers/net/e1000e/phy.c
@@ -49,8 +49,7 @@
 	  100, 105, 109, 113, 116, 119, 122, 124, 104, 109, 114, 118, 121,
 	  124};
 #define IGP02E1000_CABLE_LENGTH_TABLE_SIZE \
-		(sizeof(e1000_igp_2_cable_length_table) / \
-		 sizeof(e1000_igp_2_cable_length_table[0]))
+		ARRAY_SIZE(e1000_igp_2_cable_length_table)
 
 /**
  *  e1000e_check_reset_block_generic - Check if PHY reset is blocked