linux-kernel - [PATCH net-next 3/6] net: renesas: sh_eth: constify bb

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Date:   Thu, 27 Aug 2020 00:56:05 +0200
From:   Rikard Falkeborn <rikard.falkeborn@...il.com>
To:     "David S . Miller" <davem@...emloft.net>
Cc:     Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Rikard Falkeborn <rikard.falkeborn@...il.com>,
        Sergei Shtylyov <sergei.shtylyov@...il.com>,
        linux-renesas-soc@...r.kernel.org
Subject: [PATCH net-next 3/6] net: renesas: sh_eth: constify bb_ops

The only usage of bb_ops is to assign its address to the ops field in
the mdiobb_ctrl struct, which is a const pointer. Make it const to allow
the compiler to put it in read-only memory.

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@...il.com>
---
 drivers/net/ethernet/renesas/sh_eth.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index f45331ed90b0..586642c33d2b 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -1202,7 +1202,7 @@ static void sh_mdc_ctrl(struct mdiobb_ctrl *ctrl, int bit)
 }
 
 /* mdio bus control struct */
-static struct mdiobb_ops bb_ops = {
+static const struct mdiobb_ops bb_ops = {
 	.owner = THIS_MODULE,
 	.set_mdc = sh_mdc_ctrl,
 	.set_mdio_dir = sh_mmd_ctrl,
-- 
2.28.0