This patch fixes following errors with icc.
error #188: enumerated type mixed with another type
return -1;
Fixes: 92d94d3744 ("ethdev: attach or detach port")
Reported-by: John McNamara <john.mcnamara@intel.com>
Signed-off-by: Tetsuya Mukawa <mukawa@igel.co.jp>
Acked-by: John McNamara <john.mcnamara@intel.com>