drivers/net/: all drivers/net/ cleanup with ARRAY_SIZE

Signed-off-by: Denis Cheng <crquan@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index 61debba..f1e7204 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -3492,7 +3492,7 @@
 	/* Determine the selected interface. */
 	val = REG_RD(bp, BNX2_NVM_CFG1);
 
-	entry_count = sizeof(flash_table) / sizeof(struct flash_spec);
+	entry_count = ARRAY_SIZE(flash_table);
 
 	if (val & 0x40000000) {