Re: [PATCH v2 2/2] siox: Make remove callback return void
On Tue, Nov 24, 2020 at 09:58:45PM +0100, Thorsten Scherer wrote: > Hello, > > On Tue, Nov 24, 2020 at 03:18:34PM +0100, Uwe Kleine-König wrote: > > The driver core ignores the return value of the remove callback, so > > don't give siox drivers the chance to provide a value. > > > > All siox drivers only allocate devm-managed resources in > > .probe, so there is no .remove callback to fix. > > > > Signed-off-by: Uwe Kleine-König > > --- > > drivers/siox/siox-core.c | 5 ++--- > > include/linux/siox.h | 2 +- > > 2 files changed, 3 insertions(+), 4 deletions(-) > > > > diff --git a/drivers/siox/siox-core.c b/drivers/siox/siox-core.c > > index b56cdcb52967..1794ff0106bc 100644 > > --- a/drivers/siox/siox-core.c > > +++ b/drivers/siox/siox-core.c > > @@ -525,12 +525,11 @@ static int siox_remove(struct device *dev) > > Shouldn't this return void? This is the callback used for struct device_driver::remove (and after patch 2 struct bus_type::remove) which still has to return int. But in the long run I want to change these to void, too. Best regards and thanks for your feedback Uwe -- Pengutronix e.K. | Uwe Kleine-König| Industrial Linux Solutions | https://www.pengutronix.de/ | signature.asc Description: PGP signature
Re: [PATCH v2 2/2] siox: Make remove callback return void
Hello, On Tue, Nov 24, 2020 at 03:18:34PM +0100, Uwe Kleine-König wrote: > The driver core ignores the return value of the remove callback, so > don't give siox drivers the chance to provide a value. > > All siox drivers only allocate devm-managed resources in > .probe, so there is no .remove callback to fix. > > Signed-off-by: Uwe Kleine-König > --- > drivers/siox/siox-core.c | 5 ++--- > include/linux/siox.h | 2 +- > 2 files changed, 3 insertions(+), 4 deletions(-) > > diff --git a/drivers/siox/siox-core.c b/drivers/siox/siox-core.c > index b56cdcb52967..1794ff0106bc 100644 > --- a/drivers/siox/siox-core.c > +++ b/drivers/siox/siox-core.c > @@ -525,12 +525,11 @@ static int siox_remove(struct device *dev) Shouldn't this return void? > struct siox_driver *sdriver = > container_of(dev->driver, struct siox_driver, driver); > struct siox_device *sdevice = to_siox_device(dev); > - int ret = 0; > > if (sdriver->remove) > - ret = sdriver->remove(sdevice); > + sdriver->remove(sdevice); > > - return ret; > + return 0; > } > [...] > -- > 2.29.2 > Kind regards Thorsten -- Thorsten Scherer | Eckelmann AG | www.eckelmann.de |