Stop processing hid input when registering the RTC fails and handle a NULL
returned from devm_rtc_device_register() as a failure too.
Signed-off-by: NAlexander Holler <holler@ahsoftware.de>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>