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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>
This commit is contained in:
Ian Abbott 2013-06-27 14:50:57 +01:00 committed by Greg Kroah-Hartman
parent ee68080d2c
commit 99c0e26917
2 changed files with 4 additions and 5 deletions
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2
drivers/staging/comedi/comedidev.h
View File

@ -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

7
drivers/staging/comedi/drivers.c
View File

@ -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);