linux-kernel - [PATCH 2/2] s390: qeth_core_mpc: Use ARRAY_SIZE instead of reimplementing its function

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Date:   Sat, 8 Sep 2018 18:26:28 +0800
From:   zhong jiang <zhongjiang@...wei.com>
To:     <schwidefsky@...ibm.com>, <heiko.carstens@...ibm.com>,
        <jwi@...ux.ibm.com>, <ubraun@...ux.ibm.com>, <jdelvare@...e.de>
CC:     <linux-s390@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH 2/2] s390: qeth_core_mpc: Use ARRAY_SIZE instead of reimplementing its function

ARRAY_SIZE has implemented its function. we prefer to use the function
rather than the open code.

Signed-off-by: zhong jiang <zhongjiang@...wei.com>
---
 drivers/s390/net/qeth_core_mpc.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/s390/net/qeth_core_mpc.c b/drivers/s390/net/qeth_core_mpc.c
index 5bcb8da..e8263de 100644
--- a/drivers/s390/net/qeth_core_mpc.c
+++ b/drivers/s390/net/qeth_core_mpc.c
@@ -222,8 +222,7 @@ struct ipa_rc_msg {
 char *qeth_get_ipa_msg(enum qeth_ipa_return_codes rc)
 {
 	int x = 0;
-	qeth_ipa_rc_msg[sizeof(qeth_ipa_rc_msg) /
-			sizeof(struct ipa_rc_msg) - 1].rc = rc;
+	qeth_ipa_rc_msg[ARRAY_SIZE(qeth_ipa_rc_msg) - 1].rc = rc;
 	while (qeth_ipa_rc_msg[x].rc != rc)
 		x++;
 	return qeth_ipa_rc_msg[x].msg;
@@ -270,9 +269,7 @@ struct ipa_cmd_names {
 char *qeth_get_ipa_cmd_name(enum qeth_ipa_cmds cmd)
 {
 	int x = 0;
-	qeth_ipa_cmd_names[
-		sizeof(qeth_ipa_cmd_names) /
-			sizeof(struct ipa_cmd_names)-1].cmd = cmd;
+	qeth_ipa_cmd_names[ARRAY_SIZE(qeth_ipa_cmd_names) - 1].cmd = cmd;
 	while (qeth_ipa_cmd_names[x].cmd != cmd)
 		x++;
 	return qeth_ipa_cmd_names[x].name;
-- 
1.7.12.4