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-rw-r--r--drivers/vhost/net.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index 91a324cc229..ad37da2b6cb 100644
--- a/drivers/vhost/net.c
+++ b/drivers/vhost/net.c
@@ -114,8 +114,12 @@ static void handle_tx(struct vhost_net *net)
return;
wmem = atomic_read(&sock->sk->sk_wmem_alloc);
- if (wmem >= sock->sk->sk_sndbuf)
+ if (wmem >= sock->sk->sk_sndbuf) {
+ mutex_lock(&vq->mutex);
+ tx_poll_start(net, sock);
+ mutex_unlock(&vq->mutex);
return;
+ }
use_mm(net->dev.mm);
mutex_lock(&vq->mutex);