* [PATCH 1/3] vhost: fix missing packets count reset when not ready
[not found] <20250115102905.2572035-1-maxime.coquelin@redhat.com>
@ 2025-01-15 10:29 ` Maxime Coquelin
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From: Maxime Coquelin @ 2025-01-15 10:29 UTC (permalink / raw)
To: dev, david.marchand, chenbox; +Cc: Maxime Coquelin, stable
This patch fixes the rte_vhost_dequeue_burst return value
when the virtqueue is not ready. Without it, a discrepancy
between the packet array and its size is faced by the caller
of this API when the virtqueue is not ready.
Fixes: 9fc93a1e2320 ("vhost: fix virtqueue access check in datapath")
Cc: stable@dpdk.org
Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
---
lib/vhost/virtio_net.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/lib/vhost/virtio_net.c b/lib/vhost/virtio_net.c
index 69901ab3b5..a340e5a772 100644
--- a/lib/vhost/virtio_net.c
+++ b/lib/vhost/virtio_net.c
@@ -3629,6 +3629,8 @@ rte_vhost_dequeue_burst(int vid, uint16_t queue_id,
rte_rwlock_read_unlock(&vq->access_lock);
virtio_dev_vring_translate(dev, vq);
+
+ count = 0;
goto out_no_unlock;
}
--
2.47.1
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2025-01-15 10:29 ` [PATCH 1/3] vhost: fix missing packets count reset when not ready Maxime Coquelin
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