Re: [PATCH v2 2/2] net: mii: make mii_ethtool_gset() return void

From: Andy Shevchenko
Date: Wed Aug 18 2021 - 10:59:38 EST


On Wed, Aug 18, 2021 at 05:18:55PM +0300, Pavel Skripkin wrote:
> mii_ethtool_gset() does not return any errors. Since there is no users

there are

> of this function that rely on its return value, it can be
> made void.
>
> Signed-off-by: Pavel Skripkin <paskripkin@xxxxxxxxx>
> ---
>
> Changes in v2:
> inverted the order of patches
>
> ---
> drivers/net/mii.c | 5 +----
> include/linux/mii.h | 2 +-
> 2 files changed, 2 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/net/mii.c b/drivers/net/mii.c
> index 779c3a96dba7..3e7823267a3b 100644
> --- a/drivers/net/mii.c
> +++ b/drivers/net/mii.c
> @@ -50,9 +50,8 @@ 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().

> *

This line should gone as well.

> - * 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 +130,6 @@ 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
>

--
With Best Regards,
Andy Shevchenko