| Message ID | 20230326143224.572654-110-u.kleine-koenig@pengutronix.de (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | media: Convert to platform remove callback returning void | expand |
On Sun, Mar 26, 2023 at 4:32 PM Uwe Kleine-König <u.kleine-koenig@pengutronix.de> wrote: > > 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 (mostly) ignored > 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. > > 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: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
diff --git a/drivers/media/rc/meson-ir.c b/drivers/media/rc/meson-ir.c index 4b769111f78e..49aa309d1a8c 100644 --- a/drivers/media/rc/meson-ir.c +++ b/drivers/media/rc/meson-ir.c @@ -177,7 +177,7 @@ static int meson_ir_probe(struct platform_device *pdev) return 0; } -static int meson_ir_remove(struct platform_device *pdev) +static void meson_ir_remove(struct platform_device *pdev) { struct meson_ir *ir = platform_get_drvdata(pdev); unsigned long flags; @@ -186,8 +186,6 @@ static int meson_ir_remove(struct platform_device *pdev) spin_lock_irqsave(&ir->lock, flags); meson_ir_set_mask(ir, IR_DEC_REG1, REG1_ENABLE, 0); spin_unlock_irqrestore(&ir->lock, flags); - - return 0; } static void meson_ir_shutdown(struct platform_device *pdev) @@ -226,7 +224,7 @@ MODULE_DEVICE_TABLE(of, meson_ir_match); static struct platform_driver meson_ir_driver = { .probe = meson_ir_probe, - .remove = meson_ir_remove, + .remove_new = meson_ir_remove, .shutdown = meson_ir_shutdown, .driver = { .name = DRIVER_NAME,
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 (mostly) ignored 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. 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/media/rc/meson-ir.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-)