net/virtio: remove unnecessary Rx error assignments

Remove the unnecessary assignments in Rx functions
as they are useless and misleading.

Signed-off-by: Tiwei Bie <tiwei.bie@intel.com>

diff --git a/drivers/net/virtio/virtio_rxtx.c b/drivers/net/virtio/virtio_rxtx.c
index 7c10522..eb89143 100644 (file)
--- a/drivers/net/virtio/virtio_rxtx.c
+++ b/drivers/net/virtio/virtio_rxtx.c
@@ -960,7 +960,6 @@ virtio_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
        rxvq->stats.packets += nb_rx;
 
        /* Allocate new mbuf for the used descriptor */
-       error = ENOSPC;
        while (likely(!virtqueue_full(vq))) {
                new_mbuf = rte_mbuf_raw_alloc(rxvq->mpool);
                if (unlikely(new_mbuf == NULL)) {
@@ -1319,7 +1318,6 @@ virtio_recv_mergeable_pkts(void *rx_queue,
        rxvq->stats.packets += nb_rx;
 
        /* Allocate new mbuf for the used descriptor */
-       error = ENOSPC;
        while (likely(!virtqueue_full(vq))) {
                new_mbuf = rte_mbuf_raw_alloc(rxvq->mpool);
                if (unlikely(new_mbuf == NULL)) {