Fix some compiler warnings that came up with net2280 on processors with
64bit dma_addr-t ... one of them would have been a bug on big-endian CPUs.
(Thanks to Randy Dunlap for reporting these.)
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>