igb_uio: fix checkpatch warnings
igb_uio: fix checkpatch warnings

Fix style issues reported by checkpatch.
There was a real bug in that the setup code was returning
positive value for errors which goes against convention and
might have caused a problem.

Signed-off-by: Stephen Hemminger <06fa905d7f2aaced6dc72e9511c71a2a51e8aead@networkplumber.org>
Acked-by: Thomas Monjalon <ee2fa8b2681c737f775687e475dcbf2028a412f1@6wind.com>

phermansson/dpdk,phermansson/dpdk,phermansson/dpdk,phermansson/dpdk