1 files changed, 6 insertions, 4 deletions

diff --git a/Documentation/virtual/lguest/lguest.c b/Documentation/virtual/lguest/lguest.c
index cd9d6af61d07..e3b9bb7a644a 100644
--- a/Documentation/virtual/lguest/lguest.c
+++ b/Documentation/virtual/lguest/lguest.c
@@ -861,8 +861,10 @@ static void console_output(struct virtqueue *vq)
         /* writev can return a partial write, so we loop here. */
         while (!iov_empty(iov, out)) {
                 int len = writev(STDOUT_FILENO, iov, out);
-                if (len <= 0)
-                        err(1, "Write to stdout gave %i", len);
+                if (len <= 0) {
+                        warn("Write to stdout gave %i (%d)", len, errno);
+                        break;
+                }
                 iov_consume(iov, out, len);
         }
 
@@ -898,7 +900,7 @@ static void net_output(struct virtqueue *vq)
          * same format: what a coincidence!
          */
         if (writev(net_info->tunfd, iov, out) < 0)
-                errx(1, "Write to tun failed?");
+                warnx("Write to tun failed (%d)?", errno);
 
         /*
          * Done with that one; wait_for_vq_desc() will send the interrupt if
@@ -955,7 +957,7 @@ static void net_input(struct virtqueue *vq)
          */
         len = readv(net_info->tunfd, iov, in);
         if (len <= 0)
-                err(1, "Failed to read from tun.");
+                warn("Failed to read from tun (%d).", errno);
 
         /*
          * Mark that packet buffer as used, but don't interrupt here.  We want