Merge branch 'smc-ib_query_gid'

Ursula Braun says:

====================
net/smc: ib_query_gid() patches

triggered by Parav Pandit here are 2 cleanup patches for usage of
ib_query_gid() in the smc-code.

Thanks, Ursula

v2 changes advised by Parav Pandit:
   extra check is_vlan_dev() in patch 2/2
   "RoCE" spelling
   added "Reported-by"
   added "Reviewed-by"
   added "Fixes"
====================

Signed-off-by: David S. Miller <davem@davemloft.net>