Bjorn Andersson
2021-Jul-06 18:08 UTC
[PATCH v2 4/4] bus: Make remove callback return void
On Tue 06 Jul 10:48 CDT 2021, Uwe Kleine-K?nig wrote:> The driver core ignores the return value of this callback because there > is only little it can do when a device disappears. > > This is the final bit of a long lasting cleanup quest where several > buses were converted to also return void from their remove callback. > Additionally some resource leaks were fixed that were caused by drivers > returning an error code in the expectation that the driver won't go > away. > > With struct bus_type::remove returning void it's prevented that newly > implemented buses return an ignored error code and so don't anticipate > wrong expectations for driver authors. >Thanks for doing this! Acked-by: Bjorn Andersson <bjorn.andersson at linaro.org> (rpmsg and apr) [..]> diff --git a/drivers/rpmsg/rpmsg_core.c b/drivers/rpmsg/rpmsg_core.c > index c1404d3dae2c..7f6fac618ab2 100644 > --- a/drivers/rpmsg/rpmsg_core.c > +++ b/drivers/rpmsg/rpmsg_core.c > @@ -530,7 +530,7 @@ static int rpmsg_dev_probe(struct device *dev) > return err; > } > > -static int rpmsg_dev_remove(struct device *dev) > +static void rpmsg_dev_remove(struct device *dev) > { > struct rpmsg_device *rpdev = to_rpmsg_device(dev); > struct rpmsg_driver *rpdrv = to_rpmsg_driver(rpdev->dev.driver); > @@ -546,8 +546,6 @@ static int rpmsg_dev_remove(struct device *dev) > > if (rpdev->ept) > rpmsg_destroy_ept(rpdev->ept); > - > - return err;This leaves err assigned but never used, but I don't mind following up with a patch cleaning that up after this has landed.> } > > static struct bus_type rpmsg_bus = {Regards, Bjorn