ethdev: fix build with icc

This patch fixes following errors with icc.
  error #188: enumerated type mixed with another type
    return -1;

Fixes: 92d94d3744d7 ("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>

diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
index bb94ccb..6ea7a17 100644 (file)
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -433,7 +433,7 @@ static enum rte_eth_dev_type
 rte_eth_dev_get_device_type(uint8_t port_id)
 {
        if (!rte_eth_dev_is_valid_port(port_id))
-               return -1;
+               return RTE_ETH_DEV_UNKNOWN;
        return rte_eth_devices[port_id].dev_type;
 }