linux-kernel - [PATCH v3 2/2] net: mii: make mii_ethtool

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Message-Id: <0e388dcbe5bbf002b15ba760191e1a862723bc07.1629298981.git.paskripkin@gmail.com>
Date:   Wed, 18 Aug 2021 18:07:09 +0300
From:   Pavel Skripkin <paskripkin@...il.com>
To:     davem@...emloft.net, kuba@...nel.org,
        andriy.shevchenko@...ux.intel.com, christophe.jaillet@...adoo.fr,
        kaixuxia@...cent.com
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Pavel Skripkin <paskripkin@...il.com>
Subject: [PATCH v3 2/2] net: mii: make mii_ethtool_gset() return void

mii_ethtool_gset() does not return any errors. Since there are no users
of this function that rely on its return value, it can be
made void.

Signed-off-by: Pavel Skripkin <paskripkin@...il.com>
---

Changes in v3:
	1. removed empty comment line
	2. there is -> there are

Changes in v2:
	inverted the order of patches

---
 drivers/net/mii.c   | 6 +-----
 include/linux/mii.h | 2 +-
 2 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/net/mii.c b/drivers/net/mii.c
index 779c3a96dba7..22680f47385d 100644
--- a/drivers/net/mii.c
+++ b/drivers/net/mii.c
@@ -49,10 +49,8 @@ static u32 mii_get_an(struct mii_if_info *mii, u16 addr)
  *
  * The @ecmd parameter is expected to have been cleared before calling
  * mii_ethtool_gset().
- *
- * Returns 0 for success, negative on error.
  */
-int mii_ethtool_gset(struct mii_if_info *mii, struct ethtool_cmd *ecmd)
+void mii_ethtool_gset(struct mii_if_info *mii, struct ethtool_cmd *ecmd)
 {
 	struct net_device *dev = mii->dev;
 	u16 bmcr, bmsr, ctrl1000 = 0, stat1000 = 0;
@@ -131,8 +129,6 @@ int mii_ethtool_gset(struct mii_if_info *mii, struct ethtool_cmd *ecmd)
 	mii->full_duplex = ecmd->duplex;
 
 	/* ignore maxtxpkt, maxrxpkt for now */
-
-	return 0;
 }
 
 /**
diff --git a/include/linux/mii.h b/include/linux/mii.h
index 219b93cad1dd..12ea29e04293 100644
--- a/include/linux/mii.h
+++ b/include/linux/mii.h
@@ -32,7 +32,7 @@ struct mii_if_info {
 
 extern int mii_link_ok (struct mii_if_info *mii);
 extern int mii_nway_restart (struct mii_if_info *mii);
-extern int mii_ethtool_gset(struct mii_if_info *mii, struct ethtool_cmd *ecmd);
+extern void mii_ethtool_gset(struct mii_if_info *mii, struct ethtool_cmd *ecmd);
 extern void mii_ethtool_get_link_ksettings(
 	struct mii_if_info *mii, struct ethtool_link_ksettings *cmd);
 extern int mii_ethtool_sset(struct mii_if_info *mii, struct ethtool_cmd *ecmd);
-- 
2.32.0