net/virtio: remove useless check on mempool

This .rx_queue_setup devop is called after ethdev already dereferenced
the mempool pointer.
No need to check and we can remove this rte_exit.

Fixes: 48cec290a3d2 ("net/virtio: move queue configure code to proper place")
Cc: stable@dpdk.org
Signed-off-by: David Marchand <david.marchand@redhat.com>
Reviewed-by: Jens Freimann <jfreimann@redhat.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>

diff --git a/drivers/net/virtio/virtio_rxtx.c b/drivers/net/virtio/virtio_rxtx.c
index 1de2854..4333c10 100644 (file)
--- a/drivers/net/virtio/virtio_rxtx.c
+++ b/drivers/net/virtio/virtio_rxtx.c
@@ -890,11 +890,6 @@ virtio_dev_rx_queue_setup(struct rte_eth_dev *dev,
        rxvq = &vq->rxq;
        rxvq->queue_id = queue_idx;
        rxvq->mpool = mp;
-       if (rxvq->mpool == NULL) {
-               rte_exit(EXIT_FAILURE,
-                       "Cannot allocate mbufs for rx virtqueue");
-       }
-
        dev->data->rx_queues[queue_idx] = rxvq;
 
        return 0;