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net/virtio: fix check scatter on all Rx queues

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This patch fixes the wrong way to obtain virtqueue.
The end of virtqueue cannot be judged based on whether
the array is NULL.

Fixes: 4e8169eb0d ("net/virtio: fix Rx scatter offload")
Cc: stable@dpdk.org

Signed-off-by: Zhihong Peng <zhihongx.peng@intel.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
This commit is contained in:
Zhihong Peng 2021-10-08 05:49:45 +00:00 committed by Maxime Coquelin
parent f5ec6a3a19
commit 84cc857b5d
1 changed files with 5 additions and 2 deletions
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7
drivers/net/virtio/virtio_ethdev.c
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@ -882,8 +882,11 @@ virtio_check_scatter_on_all_rx_queues(struct rte_eth_dev *dev,
if (hw->vqs == NULL)
return true;
for (qidx = 0; (vq = hw->vqs[2 * qidx + VTNET_SQ_RQ_QUEUE_IDX]) != NULL;
qidx++) {
for (qidx = 0; qidx < hw->max_queue_pairs; qidx++) {
vq = hw->vqs[2 * qidx + VTNET_SQ_RQ_QUEUE_IDX];
if (vq == NULL)
continue;
rxvq = &vq->rxq;
if (rxvq->mpool == NULL)
continue;