Input: xilinx_ps2 - 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() 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>
Link: https://lore.kernel.org/r/20230920125829.1478827-44-u.kleine-koenig@pengutronix.de
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

diff --git a/drivers/input/serio/xilinx_ps2.c b/drivers/input/serio/xilinx_ps2.c
index f3d28da70b75c4478becad35f757e972fc7a054d..d8f9faf2b52902a76527abd0a844b386cfb0a677 100644 (file)
--- a/drivers/input/serio/xilinx_ps2.c
+++ b/drivers/input/serio/xilinx_ps2.c
@@ -329,7 +329,7 @@ failed1:
  * if the driver module is being unloaded. It frees any resources allocated to
  * the device.
  */
-static int xps2_of_remove(struct platform_device *of_dev)
+static void xps2_of_remove(struct platform_device *of_dev)
 {
        struct xps2data *drvdata = platform_get_drvdata(of_dev);
        struct resource r_mem; /* IO mem resources */
@@ -344,8 +344,6 @@ static int xps2_of_remove(struct platform_device *of_dev)
                release_mem_region(r_mem.start, resource_size(&r_mem));
 
        kfree(drvdata);
-
-       return 0;
 }
 
 /* Match table for of_platform binding */
@@ -361,7 +359,7 @@ static struct platform_driver xps2_of_driver = {
                .of_match_table = xps2_of_match,
        },
        .probe          = xps2_of_probe,
-       .remove         = xps2_of_remove,
+       .remove_new     = xps2_of_remove,
 };
 module_platform_driver(xps2_of_driver);