net/iavf: fix Tx prepare to set positive rte_errno

Fixes: a2b29a7733ef ("net/avf: enable basic Rx Tx")
Cc: stable@dpdk.org
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>

diff --git a/drivers/net/iavf/iavf_rxtx.c b/drivers/net/iavf/iavf_rxtx.c
index 682e8aa..0be3ede 100644 (file)
--- a/drivers/net/iavf/iavf_rxtx.c
+++ b/drivers/net/iavf/iavf_rxtx.c
@@ -1698,31 +1698,31 @@ iavf_prep_pkts(__rte_unused void *tx_queue, struct rte_mbuf **tx_pkts,
                /* Check condition for nb_segs > IAVF_TX_MAX_MTU_SEG. */
                if (!(ol_flags & PKT_TX_TCP_SEG)) {
                        if (m->nb_segs > IAVF_TX_MAX_MTU_SEG) {
-                               rte_errno = -EINVAL;
+                               rte_errno = EINVAL;
                                return i;
                        }
                } else if ((m->tso_segsz < IAVF_MIN_TSO_MSS) ||
                           (m->tso_segsz > IAVF_MAX_TSO_MSS)) {
                        /* MSS outside the range are considered malicious */
-                       rte_errno = -EINVAL;
+                       rte_errno = EINVAL;
                        return i;
                }
 
                if (ol_flags & IAVF_TX_OFFLOAD_NOTSUP_MASK) {
-                       rte_errno = -ENOTSUP;
+                       rte_errno = ENOTSUP;
                        return i;
                }
 
 #ifdef RTE_LIBRTE_ETHDEV_DEBUG
                ret = rte_validate_tx_offload(m);
                if (ret != 0) {
-                       rte_errno = ret;
+                       rte_errno = -ret;
                        return i;
                }
 #endif
                ret = rte_net_intel_cksum_prepare(m);
                if (ret != 0) {
-                       rte_errno = ret;
+                       rte_errno = -ret;
                        return i;
                }
        }