ethdev: fix errno to have positive value

rte_errno should be set to positive value from errno.h plus
few RTE-specific values.

Fixes: 4fb7e803eb1a ("ethdev: add Tx preparation")
Fixes: 439a90b5f2a7 ("ethdev: reorder inline functions")
Cc: stable@dpdk.org
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>

diff --git a/lib/librte_ethdev/rte_ethdev.h b/lib/librte_ethdev/rte_ethdev.h
index 76266ad..a3c864a 100644 (file)
--- a/lib/librte_ethdev/rte_ethdev.h
+++ b/lib/librte_ethdev/rte_ethdev.h
@@ -4222,7 +4222,7 @@ rte_eth_tx_prepare(uint16_t port_id, uint16_t queue_id,
 #ifdef RTE_LIBRTE_ETHDEV_DEBUG
        if (!rte_eth_dev_is_valid_port(port_id)) {
                RTE_ETHDEV_LOG(ERR, "Invalid TX port_id=%u\n", port_id);
-               rte_errno = -EINVAL;
+               rte_errno = EINVAL;
                return 0;
        }
 #endif
@@ -4232,7 +4232,7 @@ rte_eth_tx_prepare(uint16_t port_id, uint16_t queue_id,
 #ifdef RTE_LIBRTE_ETHDEV_DEBUG
        if (queue_id >= dev->data->nb_tx_queues) {
                RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", queue_id);
-               rte_errno = -EINVAL;
+               rte_errno = EINVAL;
                return 0;
        }
 #endif