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-rw-r--r--drivers/vhost/net.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index 28ef323882fb..792ab5f23647 100644
--- a/drivers/vhost/net.c
+++ b/drivers/vhost/net.c
@@ -473,6 +473,7 @@ static void vhost_tx_batch(struct vhost_net *net,
goto signal_used;
msghdr->msg_control = &ctl;
+ msghdr->msg_controllen = sizeof(ctl);
err = sock->ops->sendmsg(sock, msghdr, 0);
if (unlikely(err < 0)) {
vq_err(&nvq->vq, "Fail to batch sending packets\n");