The geode hwrng leaks an iomapped resource, if hwrng_register() fails.
This fixes it.
Signed-off-by: NMichael Buesch <mb@bu3sch.de>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>