1 files changed, 4 insertions, 7 deletions

diff --git a/Documentation/lguest/lguest.c b/Documentation/lguest/lguest.c
index 9f3240c45718..8704600c5e42 100644
--- a/Documentation/lguest/lguest.c
+++ b/Documentation/lguest/lguest.c
@@ -830,15 +830,14 @@ static bool handle_console_input(struct device *dev)
 static void handle_console_output(struct virtqueue *vq, bool timeout)
 {
         unsigned int head, out, in;
-        int len;
         struct iovec iov[vq->vring.num];
 
         /* Keep getting output buffers from the Guest until we run out. */
         while ((head = get_vq_desc(vq, iov, &out, &in)) != vq->vring.num) {
                 if (in)
                         errx(1, "Input buffers in output queue?");
-                len = writev(STDOUT_FILENO, iov, out);
-                add_used_and_trigger(vq, head, len);
+                writev(STDOUT_FILENO, iov, out);
+                add_used_and_trigger(vq, head, 0);
         }
 }
 
@@ -870,7 +869,6 @@ static void block_vq(struct virtqueue *vq)
 static void handle_net_output(struct virtqueue *vq, bool timeout)
 {
         unsigned int head, out, in, num = 0;
-        int len;
         struct iovec iov[vq->vring.num];
         static int last_timeout_num;
 
@@ -878,10 +876,9 @@ static void handle_net_output(struct virtqueue *vq, bool timeout)
         while ((head = get_vq_desc(vq, iov, &out, &in)) != vq->vring.num) {
                 if (in)
                         errx(1, "Input buffers in output queue?");
-                len = writev(vq->dev->fd, iov, out);
-                if (len < 0)
+                if (writev(vq->dev->fd, iov, out) < 0)
                         err(1, "Writing network packet to tun");
-                add_used_and_trigger(vq, head, len);
+                add_used_and_trigger(vq, head, 0);
                 num++;
         }