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/skfp/smt.c b/drivers/net/skfp/smt.c
index 75afc1f..ced2c8f 100644
--- a/drivers/net/skfp/smt.c
+++ b/drivers/net/skfp/smt.c
@@ -1654,7 +1654,7 @@
 	{ SMT_P4053,	0,	SWAP_SMT_P4053			} ,
 } ;
 
-#define N_SMT_PLEN	(sizeof(smt_pdef)/sizeof(smt_pdef[0]))
+#define N_SMT_PLEN	ARRAY_SIZE(smt_pdef)
 
 int smt_check_para(struct s_smc *smc, struct smt_header	*sm,
 		   const u_short list[])