K 10
svn:author
V 4
loos
K 8
svn:date
V 27
2015-08-17T16:51:37.695099Z
K 7
svn:log
V 409
Fix a few bugs when gpiobus is detaching:

 - Detach the gpiobus and the gpioc devices from the GPIO controller.

 - Fix the leak of gpiobus IRQ rman(9) region descriptor.

 - Fix the leak of child ivars and IRQ resource list.

While here return NULL (instead of 0) for a device_t that fails to allocate
the ivar memory.

Tested with gpiobus built as a module.

Sponsored by:	Rubicon Communications (Netgate)

END