vcl: fix ldp writev 0 vecs

Type: fix

Signed-off-by: Florin Coras <fcoras@cisco.com>
Change-Id: Iec5db8dcf3a019b731e15fd79d0208d6eb10943b

diff --git a/src/vcl/ldp.c b/src/vcl/ldp.c
index 95c0edc..d6e81d6 100644 (file)
--- a/src/vcl/ldp.c
+++ b/src/vcl/ldp.c
@@ -448,24 +448,20 @@ writev (int fd, const struct iovec * iov, int iovcnt)
   vlsh = ldp_fd_to_vlsh (fd);
   if (vlsh != VLS_INVALID_HANDLE)
     {
-      do
+      for (i = 0; i < iovcnt; ++i)
        {
-         for (i = 0; i < iovcnt; ++i)
+         rv = vls_write_msg (vlsh, iov[i].iov_base, iov[i].iov_len);
+         if (rv < 0)
+           break;
+         else
            {
-             rv = vls_write_msg (vlsh, iov[i].iov_base, iov[i].iov_len);
-             if (rv < 0)
+             total += rv;
+             if (rv < iov[i].iov_len)
                break;
-             else
-               {
-                 total += rv;
-                 if (rv < iov[i].iov_len)
-                   break;
-               }
            }
        }
-      while ((rv >= 0) && (total == 0));
 
-      if (rv < 0)
+      if (rv < 0 && total == 0)
        {
          errno = -rv;
          size = -1;