Hi Tiwei,
On 10/23/2018 08:07 AM, Tiwei Bie wrote:
We should return the length of the buffers described by
the current descriptor chain after filling the buffer
vector. So we need to zero the *len first.
Fixes: 2f3225a7d69b ("vhost: add vector filling support for packed ring")
Cc: sta...@dpdk.org
Signed-off-by: Tiwei Bie <tiwei....@intel.com>
---
lib/librte_vhost/virtio_net.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/lib/librte_vhost/virtio_net.c b/lib/librte_vhost/virtio_net.c
index 48228f16b..4e6c35d56 100644
--- a/lib/librte_vhost/virtio_net.c
+++ b/lib/librte_vhost/virtio_net.c
@@ -521,6 +521,7 @@ fill_vec_buf_packed(struct virtio_net *dev, struct
vhost_virtqueue *vq,
return -1;
*desc_count = 0;
+ *len = 0;
while (1) {
if (unlikely(vec_id >= BUF_VECTOR_MAX))
Good catch, I guess I didn't felt into that bug because my test-cases
were too simple (single descriptor were enough).
Reviewed-by: Maxime Coquelin <maxime.coque...@redhat.com>
Thanks!
Maxime
