diff options
| author | Ian Abbott <abbotti@mev.co.uk> | 2013-06-27 13:50:57 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-07-23 21:22:29 (GMT) |
| commit | 99c0e2691736d56190764bfdc59f11b090cda4ff (patch) | |
| tree | 5caa182bfaef374f2c4e528f3ede0bcb458d67a6 | |
| parent | ee68080d2c4c8fdb0ff4b126cb7701d05d47a719 (diff) | |
| download | linux-fsl-qoriq-99c0e2691736d56190764bfdc59f11b090cda4ff.tar.xz | |
staging: comedi: return void from comedi_driver_unregister()
'Unregister' functions generally return `void`.
`comedi_driver_unregister()` currently returns an `int` errno value.
Nothing looks at the return value. Change the return type to `void`.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/staging/comedi/comedidev.h | 2 | ||||
| -rw-r--r-- | drivers/staging/comedi/drivers.c | 7 |
2 files changed, 4 insertions, 5 deletions
diff --git a/drivers/staging/comedi/comedidev.h b/drivers/staging/comedi/comedidev.h index ab27894..98058b9 100644 --- a/drivers/staging/comedi/comedidev.h +++ b/drivers/staging/comedi/comedidev.h @@ -363,7 +363,7 @@ int comedi_auto_config(struct device *, struct comedi_driver *, void comedi_auto_unconfig(struct device *); int comedi_driver_register(struct comedi_driver *); -int comedi_driver_unregister(struct comedi_driver *); +void comedi_driver_unregister(struct comedi_driver *); /** * module_comedi_driver() - Helper macro for registering a comedi driver diff --git a/drivers/staging/comedi/drivers.c b/drivers/staging/comedi/drivers.c index a15934f..ba5d6d9 100644 --- a/drivers/staging/comedi/drivers.c +++ b/drivers/staging/comedi/drivers.c @@ -559,7 +559,7 @@ int comedi_driver_register(struct comedi_driver *driver) } EXPORT_SYMBOL_GPL(comedi_driver_register); -int comedi_driver_unregister(struct comedi_driver *driver) +void comedi_driver_unregister(struct comedi_driver *driver) { struct comedi_driver *prev; int i; @@ -584,15 +584,14 @@ int comedi_driver_unregister(struct comedi_driver *driver) if (comedi_drivers == driver) { comedi_drivers = driver->next; - return 0; + return; } for (prev = comedi_drivers; prev->next; prev = prev->next) { if (prev->next == driver) { prev->next = driver->next; - return 0; + return; } } - return -EINVAL; } EXPORT_SYMBOL_GPL(comedi_driver_unregister); |