Previously, control vq only allowed a single request to be sent,
so using virtnet_info as a global token was fine. To support
concurrent requests, the driver needs to use a command-level token
to distinguish between requests that have been sent.
Signed-off-by: Heng Qi <hengqi@xxxxxxxxxxxxxxxxx>
---
drivers/net/virtio_net.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index ed10084997d3..4256b1eda043 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -2722,7 +2722,8 @@ static bool virtnet_send_command_reply(struct virtnet_info *vi,
sgs[out_num + in_num++] = in;
BUG_ON(out_num + in_num > ARRAY_SIZE(sgs));
- ret = virtqueue_add_sgs(vi->cvq, sgs, out_num, in_num, vi, GFP_ATOMIC);
+ ret = virtqueue_add_sgs(vi->cvq, sgs, out_num, in_num,
+ &ctrl->completion, GFP_ATOMIC);
if (ret < 0) {
dev_warn(&vi->vdev->dev,
"Failed to add sgs for command vq: %d\n.", ret);
--
2.32.0.3.g01195cf9f
