Make return value void since function never return meaningfull value

Signed-off-by: Yuval Shaia <yuval.sh...@oracle.com>
---
 drivers/net/ethernet/broadcom/b44.c                |  3 ++-
 drivers/net/ethernet/broadcom/bcm63xx_enet.c       |  3 ++-
 drivers/net/ethernet/broadcom/genet/bcmgenet.c     |  4 +++-
 drivers/net/ethernet/broadcom/tg3.c                |  4 +++-
 drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c |  6 ++----
 drivers/net/ethernet/freescale/ucc_geth_ethtool.c  |  4 +++-
 drivers/net/ethernet/marvell/mv643xx_eth.c         |  5 ++---
 drivers/net/ethernet/ti/cpsw.c                     |  9 +++++----
 drivers/net/phy/phy.c                              | 10 +++++-----
 drivers/net/usb/lan78xx.c                          |  2 +-
 include/linux/phy.h                                |  4 ++--
 net/dsa/slave.c                                    |  9 +++++----
 12 files changed, 35 insertions(+), 28 deletions(-)

diff --git a/drivers/net/ethernet/broadcom/b44.c 
b/drivers/net/ethernet/broadcom/b44.c
index 5b95bb4..9873d2d 100644
--- a/drivers/net/ethernet/broadcom/b44.c
+++ b/drivers/net/ethernet/broadcom/b44.c
@@ -1836,7 +1836,8 @@ static int b44_get_link_ksettings(struct net_device *dev,
 
        if (bp->flags & B44_FLAG_EXTERNAL_PHY) {
                BUG_ON(!dev->phydev);
-               return phy_ethtool_ksettings_get(dev->phydev, cmd);
+               phy_ethtool_ksettings_get(dev->phydev, cmd);
+               return 0;
        }
 
        supported = (SUPPORTED_Autoneg);
diff --git a/drivers/net/ethernet/broadcom/bcm63xx_enet.c 
b/drivers/net/ethernet/broadcom/bcm63xx_enet.c
index 50d88d3..34ebb40 100644
--- a/drivers/net/ethernet/broadcom/bcm63xx_enet.c
+++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.c
@@ -1453,7 +1453,8 @@ static int bcm_enet_get_link_ksettings(struct net_device 
*dev,
        if (priv->has_phy) {
                if (!dev->phydev)
                        return -ENODEV;
-               return phy_ethtool_ksettings_get(dev->phydev, cmd);
+               phy_ethtool_ksettings_get(dev->phydev, cmd);
+               return 0;
        } else {
                cmd->base.autoneg = 0;
                cmd->base.speed = (priv->force_speed_100) ?
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c 
b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index a205a9f..daca1c9 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -477,7 +477,9 @@ static int bcmgenet_get_link_ksettings(struct net_device 
*dev,
        if (!priv->phydev)
                return -ENODEV;
 
-       return phy_ethtool_ksettings_get(priv->phydev, cmd);
+       phy_ethtool_ksettings_get(priv->phydev, cmd);
+
+       return 0;
 }
 
 static int bcmgenet_set_link_ksettings(struct net_device *dev,
diff --git a/drivers/net/ethernet/broadcom/tg3.c 
b/drivers/net/ethernet/broadcom/tg3.c
index 537d571..d600c41 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -12097,7 +12097,9 @@ static int tg3_get_link_ksettings(struct net_device 
*dev,
                if (!(tp->phy_flags & TG3_PHYFLG_IS_CONNECTED))
                        return -EAGAIN;
                phydev = mdiobus_get_phy(tp->mdio_bus, tp->phy_addr);
-               return phy_ethtool_ksettings_get(phydev, cmd);
+               phy_ethtool_ksettings_get(phydev, cmd);
+
+               return 0;
        }
 
        supported = (SUPPORTED_Autoneg);
diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c 
b/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c
index 15571e2..aad825088 100644
--- a/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c
+++ b/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c
@@ -75,16 +75,14 @@ static char dpaa_stats_global[][ETH_GSTRING_LEN] = {
 static int dpaa_get_link_ksettings(struct net_device *net_dev,
                                   struct ethtool_link_ksettings *cmd)
 {
-       int err;
-
        if (!net_dev->phydev) {
                netdev_dbg(net_dev, "phy device not initialized\n");
                return 0;
        }
 
-       err = phy_ethtool_ksettings_get(net_dev->phydev, cmd);
+       phy_ethtool_ksettings_get(net_dev->phydev, cmd);
 
-       return err;
+       return 0;
 }
 
 static int dpaa_set_link_ksettings(struct net_device *net_dev,
diff --git a/drivers/net/ethernet/freescale/ucc_geth_ethtool.c 
b/drivers/net/ethernet/freescale/ucc_geth_ethtool.c
index b642990..4df282e 100644
--- a/drivers/net/ethernet/freescale/ucc_geth_ethtool.c
+++ b/drivers/net/ethernet/freescale/ucc_geth_ethtool.c
@@ -113,7 +113,9 @@ uec_get_ksettings(struct net_device *netdev, struct 
ethtool_link_ksettings *cmd)
        if (!phydev)
                return -ENODEV;
 
-       return phy_ethtool_ksettings_get(phydev, cmd);
+       phy_ethtool_ksettings_get(phydev, cmd);
+
+       return 0;
 }
 
 static int
diff --git a/drivers/net/ethernet/marvell/mv643xx_eth.c 
b/drivers/net/ethernet/marvell/mv643xx_eth.c
index 25642de..5794d98 100644
--- a/drivers/net/ethernet/marvell/mv643xx_eth.c
+++ b/drivers/net/ethernet/marvell/mv643xx_eth.c
@@ -1501,10 +1501,9 @@ mv643xx_eth_get_link_ksettings_phy(struct 
mv643xx_eth_private *mp,
                                   struct ethtool_link_ksettings *cmd)
 {
        struct net_device *dev = mp->dev;
-       int err;
        u32 supported, advertising;
 
-       err = phy_ethtool_ksettings_get(dev->phydev, cmd);
+       phy_ethtool_ksettings_get(dev->phydev, cmd);
 
        /*
         * The MAC does not support 1000baseT_Half.
@@ -1520,7 +1519,7 @@ mv643xx_eth_get_link_ksettings_phy(struct 
mv643xx_eth_private *mp,
        ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
                                                advertising);
 
-       return err;
+       return 0;
 }
 
 static int
diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index f4d7aec..03707ee 100644
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -2165,11 +2165,12 @@ static int cpsw_get_link_ksettings(struct net_device 
*ndev,
        struct cpsw_common *cpsw = priv->cpsw;
        int slave_no = cpsw_slave_index(cpsw, priv);
 
-       if (cpsw->slaves[slave_no].phy)
-               return phy_ethtool_ksettings_get(cpsw->slaves[slave_no].phy,
-                                                ecmd);
-       else
+       if (cpsw->slaves[slave_no].phy) {
+               phy_ethtool_ksettings_get(cpsw->slaves[slave_no].phy, ecmd);
+               return 0;
+       } else {
                return -EOPNOTSUPP;
+       }
 }
 
 static int cpsw_set_link_ksettings(struct net_device *ndev,
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index 82ab8fb..9c372bf 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -508,8 +508,8 @@ int phy_ethtool_gset(struct phy_device *phydev, struct 
ethtool_cmd *cmd)
 }
 EXPORT_SYMBOL(phy_ethtool_gset);
 
-int phy_ethtool_ksettings_get(struct phy_device *phydev,
-                             struct ethtool_link_ksettings *cmd)
+void phy_ethtool_ksettings_get(struct phy_device *phydev,
+                              struct ethtool_link_ksettings *cmd)
 {
        ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
                                                phydev->supported);
@@ -531,8 +531,6 @@ int phy_ethtool_ksettings_get(struct phy_device *phydev,
        cmd->base.autoneg = phydev->autoneg;
        cmd->base.eth_tp_mdix_ctrl = phydev->mdix_ctrl;
        cmd->base.eth_tp_mdix = phydev->mdix;
-
-       return 0;
 }
 EXPORT_SYMBOL(phy_ethtool_ksettings_get);
 
@@ -1448,7 +1446,9 @@ int phy_ethtool_get_link_ksettings(struct net_device 
*ndev,
        if (!phydev)
                return -ENODEV;
 
-       return phy_ethtool_ksettings_get(phydev, cmd);
+       phy_ethtool_ksettings_get(phydev, cmd);
+
+       return 0;
 }
 EXPORT_SYMBOL(phy_ethtool_get_link_ksettings);
 
diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c
index 9eff97a..5833f7e 100644
--- a/drivers/net/usb/lan78xx.c
+++ b/drivers/net/usb/lan78xx.c
@@ -1490,7 +1490,7 @@ static int lan78xx_get_link_ksettings(struct net_device 
*net,
        if (ret < 0)
                return ret;
 
-       ret = phy_ethtool_ksettings_get(phydev, cmd);
+       phy_ethtool_ksettings_get(phydev, cmd);
 
        usb_autopm_put_interface(dev->intf);
 
diff --git a/include/linux/phy.h b/include/linux/phy.h
index e76e4ad..4ec07a6 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -844,8 +844,8 @@ void phy_stop_machine(struct phy_device *phydev);
 void phy_trigger_machine(struct phy_device *phydev, bool sync);
 int phy_ethtool_sset(struct phy_device *phydev, struct ethtool_cmd *cmd);
 int phy_ethtool_gset(struct phy_device *phydev, struct ethtool_cmd *cmd);
-int phy_ethtool_ksettings_get(struct phy_device *phydev,
-                             struct ethtool_link_ksettings *cmd);
+void phy_ethtool_ksettings_get(struct phy_device *phydev,
+                              struct ethtool_link_ksettings *cmd);
 int phy_ethtool_ksettings_set(struct phy_device *phydev,
                              const struct ethtool_link_ksettings *cmd);
 int phy_mii_ioctl(struct phy_device *phydev, struct ifreq *ifr, int cmd);
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index 7693182..ba9f78b 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -689,12 +689,13 @@ dsa_slave_get_link_ksettings(struct net_device *dev,
                             struct ethtool_link_ksettings *cmd)
 {
        struct dsa_slave_priv *p = netdev_priv(dev);
-       int err = -EOPNOTSUPP;
 
-       if (p->phy != NULL)
-               err = phy_ethtool_ksettings_get(p->phy, cmd);
+       if (!p->phy)
+               return -EOPNOTSUPP;
 
-       return err;
+       phy_ethtool_ksettings_get(p->phy, cmd);
+
+       return 0;
 }
 
 static int
-- 
2.9.4

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