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authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>2023-09-18 21:19:14 +0200
committerDavid S. Miller <davem@davemloft.net>2023-09-20 10:25:58 +0100
commitd48a5472b8f2b29800bb25913f9403765005f1bc (patch)
tree7edb66c6d200268864b27f0d950b265b5fa01811 /drivers/net/dsa
parent68ace16ce3302c8c2e897e7623ea6da924ef519e (diff)
net: dsa: realtek: Convert to platform remove callback returning void
The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is ignored (apart from emitting a warning) and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new() which already returns void. Eventually after all drivers are converted, .remove_new() is renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com> Reviewed-by: Alvin Šipraga <alsi@bang-olufsen.dk> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/dsa')
-rw-r--r--drivers/net/dsa/realtek/realtek-smi.c8
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/net/dsa/realtek/realtek-smi.c b/drivers/net/dsa/realtek/realtek-smi.c
index ff13563059c5..bfd11591faf4 100644
--- a/drivers/net/dsa/realtek/realtek-smi.c
+++ b/drivers/net/dsa/realtek/realtek-smi.c
@@ -506,12 +506,12 @@ static int realtek_smi_probe(struct platform_device *pdev)
return 0;
}
-static int realtek_smi_remove(struct platform_device *pdev)
+static void realtek_smi_remove(struct platform_device *pdev)
{
struct realtek_priv *priv = platform_get_drvdata(pdev);
if (!priv)
- return 0;
+ return;
dsa_unregister_switch(priv->ds);
if (priv->slave_mii_bus)
@@ -520,8 +520,6 @@ static int realtek_smi_remove(struct platform_device *pdev)
/* leave the device reset asserted */
if (priv->reset)
gpiod_set_value(priv->reset, 1);
-
- return 0;
}
static void realtek_smi_shutdown(struct platform_device *pdev)
@@ -559,7 +557,7 @@ static struct platform_driver realtek_smi_driver = {
.of_match_table = realtek_smi_of_match,
},
.probe = realtek_smi_probe,
- .remove = realtek_smi_remove,
+ .remove_new = realtek_smi_remove,
.shutdown = realtek_smi_shutdown,
};
module_platform_driver(realtek_smi_driver);