1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/net/e1000e/ethtool.c b/drivers/net/e1000e/ethtool.c
index 87f9da1b6b4e..b36b853bed1a 100644
--- a/drivers/net/e1000e/ethtool.c
+++ b/drivers/net/e1000e/ethtool.c
@@ -103,7 +103,7 @@ static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
         "Interrupt test (offline)", "Loopback test  (offline)",
         "Link test   (on/offline)"
 };
-#define E1000_TEST_LEN sizeof(e1000_gstrings_test) / ETH_GSTRING_LEN
+#define E1000_TEST_LEN  ARRAY_SIZE(e1000_gstrings_test)
 
 static int e1000_get_settings(struct net_device *netdev,
                               struct ethtool_cmd *ecmd)