[PATCH net-next] net: arc: Make arc_emac_remove() return void

[PATCH net-next] net: arc: Make arc_emac_remove() return void

[Uwe Kleine-König]

The function returns zero unconditionally. Change it to return void instead
which simplifies its callers as error handing becomes unnecessary.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
---
 drivers/net/ethernet/arc/emac.h          | 2 +-
 drivers/net/ethernet/arc/emac_arc.c      | 6 +++---
 drivers/net/ethernet/arc/emac_main.c     | 4 +---
 drivers/net/ethernet/arc/emac_rockchip.c | 5 ++---
 4 files changed, 7 insertions(+), 10 deletions(-)

diff --git a/drivers/net/ethernet/arc/emac.h b/drivers/net/ethernet/arc/emac.h
index d820ae03a966..0e244f0e25fd 100644
--- a/drivers/net/ethernet/arc/emac.h
+++ b/drivers/net/ethernet/arc/emac.h
@@ -220,6 +220,6 @@ static inline void arc_reg_clr(struct arc_emac_priv *priv, int reg, int mask)
 int arc_mdio_probe(struct arc_emac_priv *priv);
 int arc_mdio_remove(struct arc_emac_priv *priv);
 int arc_emac_probe(struct net_device *ndev, int interface);
-int arc_emac_remove(struct net_device *ndev);
+void arc_emac_remove(struct net_device *ndev);
 
 #endif /* ARC_EMAC_H */
diff --git a/drivers/net/ethernet/arc/emac_arc.c b/drivers/net/ethernet/arc/emac_arc.c
index 800620b8f10d..ce3147e886a1 100644
--- a/drivers/net/ethernet/arc/emac_arc.c
+++ b/drivers/net/ethernet/arc/emac_arc.c
@@ -61,11 +61,11 @@ static int emac_arc_probe(struct platform_device *pdev)
 static int emac_arc_remove(struct platform_device *pdev)
 {
 	struct net_device *ndev = platform_get_drvdata(pdev);
-	int err;
 
-	err = arc_emac_remove(ndev);
+	arc_emac_remove(ndev);
 	free_netdev(ndev);
-	return err;
+
+	return 0;
 }
 
 static const struct of_device_id emac_arc_dt_ids[] = {
diff --git a/drivers/net/ethernet/arc/emac_main.c b/drivers/net/ethernet/arc/emac_main.c
index ba0646b3b122..2b427d8a1831 100644
--- a/drivers/net/ethernet/arc/emac_main.c
+++ b/drivers/net/ethernet/arc/emac_main.c
@@ -1008,7 +1008,7 @@ int arc_emac_probe(struct net_device *ndev, int interface)
 }
 EXPORT_SYMBOL_GPL(arc_emac_probe);
 
-int arc_emac_remove(struct net_device *ndev)
+void arc_emac_remove(struct net_device *ndev)
 {
 	struct arc_emac_priv *priv = netdev_priv(ndev);
 
@@ -1019,8 +1019,6 @@ int arc_emac_remove(struct net_device *ndev)
 
 	if (!IS_ERR(priv->clk))
 		clk_disable_unprepare(priv->clk);
-
-	return 0;
 }
 EXPORT_SYMBOL_GPL(arc_emac_remove);
 
diff --git a/drivers/net/ethernet/arc/emac_rockchip.c b/drivers/net/ethernet/arc/emac_rockchip.c
index 1c9ca3bcb871..509101112279 100644
--- a/drivers/net/ethernet/arc/emac_rockchip.c
+++ b/drivers/net/ethernet/arc/emac_rockchip.c
@@ -248,9 +248,8 @@ static int emac_rockchip_remove(struct platform_device *pdev)
 {
 	struct net_device *ndev = platform_get_drvdata(pdev);
 	struct rockchip_priv_data *priv = netdev_priv(ndev);
-	int err;
 
-	err = arc_emac_remove(ndev);
+	arc_emac_remove(ndev);
 
 	clk_disable_unprepare(priv->refclk);
 
@@ -261,7 +260,7 @@ static int emac_rockchip_remove(struct platform_device *pdev)
 		clk_disable_unprepare(priv->macclk);
 
 	free_netdev(ndev);
-	return err;
+	return 0;
 }
 
 static struct platform_driver emac_rockchip_driver = {

base-commit: ac9a78681b921877518763ba0e89202254349d1b
-- 
2.39.2

Re: [PATCH net-next] net: arc: Make arc_emac_remove() return void

[Simon Horman]

On Thu, May 18, 2023 at 10:30:49PM +0200, Uwe Kleine-König wrote:
> The function returns zero unconditionally. Change it to return void instead
> which simplifies its callers as error handing becomes unnecessary.
> 
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>

Reviewed-by: Simon Horman <simon.horman@corigine.com>

Re: [PATCH net-next] net: arc: Make arc_emac_remove() return void

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to netdev/net-next.git (main)
by David S. Miller <davem@davemloft.net>:

On Thu, 18 May 2023 22:30:49 +0200 you wrote:
> The function returns zero unconditionally. Change it to return void instead
> which simplifies its callers as error handing becomes unnecessary.
> 
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
> ---
>  drivers/net/ethernet/arc/emac.h          | 2 +-
>  drivers/net/ethernet/arc/emac_arc.c      | 6 +++---
>  drivers/net/ethernet/arc/emac_main.c     | 4 +---
>  drivers/net/ethernet/arc/emac_rockchip.c | 5 ++---
>  4 files changed, 7 insertions(+), 10 deletions(-)
> 
> [...]

Here is the summary with links:
  - [net-next] net: arc: Make arc_emac_remove() return void
    https://git.kernel.org/netdev/net-next/c/20d5e0ef252a

You are awesome, thank you!
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