vhost/net: fix heads usage of ubuf_info

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / vhost / net.c

diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index 959b1cd89e6a5be5a402a79089077609f8e30716..ec6fb3fa59bb5962281bb6277220941b91df053c 100644 (file)
--- a/drivers/vhost/net.c
+++ b/drivers/vhost/net.c
@@ -339,7 +339,8 @@ static void handle_tx(struct vhost_net *net)
                                msg.msg_controllen = 0;
                                ubufs = NULL;
                        } else {
-                               struct ubuf_info *ubuf = &vq->ubuf_info[head];
+                               struct ubuf_info *ubuf;
+                               ubuf = vq->ubuf_info + vq->upend_idx;
 
                                vq->heads[vq->upend_idx].len =
                                        VHOST_DMA_IN_PROGRESS;