From: Tiwei Bie <tiwei.bie@intel.com>
To: maxime.coquelin@redhat.com, zhihong.wang@intel.com, dev@dpdk.org
Cc: stable@dpdk.org
Subject: [PATCH 4/4] net/virtio-user: fix used ring update in cvq handling
Date: Wed, 23 Jan 2019 01:01:43 +0800 [thread overview]
Message-ID: <20190122170143.5650-5-tiwei.bie@intel.com> (raw)
In-Reply-To: <20190122170143.5650-1-tiwei.bie@intel.com>
When updating used ring, the id in used element should be the
index of the first desc in the desc chain.
Fixes: f9b9d1a55775 ("net/virtio-user: add multiple queues in device emulation")
Cc: stable@dpdk.org
Signed-off-by: Tiwei Bie <tiwei.bie@intel.com>
---
drivers/net/virtio/virtio_user/virtio_user_dev.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/virtio/virtio_user/virtio_user_dev.c b/drivers/net/virtio/virtio_user/virtio_user_dev.c
index 89d287a74..d1157378d 100644
--- a/drivers/net/virtio/virtio_user/virtio_user_dev.c
+++ b/drivers/net/virtio/virtio_user/virtio_user_dev.c
@@ -722,7 +722,7 @@ virtio_user_handle_cq(struct virtio_user_dev *dev, uint16_t queue_idx)
/* Update used ring */
uep = &vring->used->ring[avail_idx];
- uep->id = avail_idx;
+ uep->id = desc_idx;
uep->len = n_descs;
vring->used->idx++;
--
2.17.1
next prev parent reply other threads:[~2019-01-22 17:01 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-22 17:01 [PATCH 0/4] Virtio fixes Tiwei Bie
2019-01-22 17:01 ` [PATCH 1/4] net/virtio: fix the control vq support Tiwei Bie
[not found] ` <CGME20190123130903eucas1p2730776e71039a79024dd7602b5dcad7d@eucas1p2.samsung.com>
2019-01-23 13:09 ` [1/4] " Ilya Maximets
[not found] ` <CGME20190123163323eucas1p1baaec2c637cdc656ab9b26dbfd455bae@eucas1p1.samsung.com>
2019-01-23 16:33 ` Ilya Maximets
2019-01-23 22:02 ` Maxime Coquelin
2019-01-23 22:03 ` [PATCH 1/4] " Maxime Coquelin
2019-01-22 17:01 ` [PATCH 2/4] net/virtio-user: " Tiwei Bie
2019-01-23 22:07 ` Maxime Coquelin
2019-01-22 17:01 ` [PATCH 3/4] net/virtio: use virtio barrier in packed ring Tiwei Bie
[not found] ` <CGME20190123155232eucas1p28bdd3a5c220452b81e21e48c19f3e5a7@eucas1p2.samsung.com>
2019-01-23 15:52 ` [3/4] " Ilya Maximets
2019-01-23 22:09 ` [PATCH 3/4] " Maxime Coquelin
2019-01-22 17:01 ` Tiwei Bie [this message]
2019-01-23 22:08 ` [PATCH 4/4] net/virtio-user: fix used ring update in cvq handling Maxime Coquelin
2019-01-23 22:25 ` [PATCH 0/4] Virtio fixes Maxime Coquelin
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