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[1/7] macintosh: therm_windtunnel: Convert to platform remove callback returning void

Message ID 74b35a7183dead9cb8359b38356e1a70e720c53e.1704900449.git.u.kleine-koenig@pengutronix.de (mailing list archive)
State Accepted
Commit bd6d99b70b2ffa96119826f22e96a5b77e6f90d6
Headers show
Series macintosh: Convert to platform remove callback returning void | expand

Commit Message

Uwe Kleine-König Jan. 10, 2024, 3:42 p.m. UTC
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() will be 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>
---
 drivers/macintosh/therm_windtunnel.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/drivers/macintosh/therm_windtunnel.c b/drivers/macintosh/therm_windtunnel.c
index 3c1b29476ce2..37cdc6931f6d 100644
--- a/drivers/macintosh/therm_windtunnel.c
+++ b/drivers/macintosh/therm_windtunnel.c
@@ -481,11 +481,9 @@  static int therm_of_probe(struct platform_device *dev)
 	return -ENODEV;
 }
 
-static int
-therm_of_remove( struct platform_device *dev )
+static void therm_of_remove(struct platform_device *dev)
 {
 	i2c_del_driver( &g4fan_driver );
-	return 0;
 }
 
 static const struct of_device_id therm_of_match[] = {{
@@ -501,7 +499,7 @@  static struct platform_driver therm_of_driver = {
 		.of_match_table = therm_of_match,
 	},
 	.probe		= therm_of_probe,
-	.remove		= therm_of_remove,
+	.remove_new	= therm_of_remove,
 };
 
 struct apple_thermal_info {