net/vmxnet3: fix Tx prepare to set positive rte_errno

Fixes: baf3bbae5556 ("net/vmxnet3: add Tx preparation")
Cc: stable@dpdk.org
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Acked-by: Yong Wang <yongwang@vmware.com>

diff --git a/drivers/net/vmxnet3/vmxnet3_rxtx.c b/drivers/net/vmxnet3/vmxnet3_rxtx.c
index 6644cde..7794d74 100644 (file)
--- a/drivers/net/vmxnet3/vmxnet3_rxtx.c
+++ b/drivers/net/vmxnet3/vmxnet3_rxtx.c
@@ -361,7 +361,7 @@ vmxnet3_prep_pkts(__rte_unused void *tx_queue, struct rte_mbuf **tx_pkts,
                 */
                if ((ol_flags & PKT_TX_TCP_SEG) == 0 &&
                                m->nb_segs > VMXNET3_MAX_TXD_PER_PKT) {
-                       rte_errno = -EINVAL;
+                       rte_errno = EINVAL;
                        return i;
                }
 
@@ -369,20 +369,20 @@ vmxnet3_prep_pkts(__rte_unused void *tx_queue, struct rte_mbuf **tx_pkts,
                if ((ol_flags & VMXNET3_TX_OFFLOAD_NOTSUP_MASK) != 0 ||
                                (ol_flags & PKT_TX_L4_MASK) ==
                                PKT_TX_SCTP_CKSUM) {
-                       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;
                }
        }