-fix

1 files changed, 5 insertions, 2 deletions

diff --git a/src/dns/gnunet-helper-dns.c b/src/dns/gnunet-helper-dns.c
index 759abc89e..1fb1dcfbb 100644
--- a/src/dns/gnunet-helper-dns.c
+++ b/src/dns/gnunet-helper-dns.c
@@ -497,7 +497,7 @@ run (int fd_tun)
      * We are supposed to read and the buffer is not empty
      * -> select on write to stdout
      */
-    if (0 != buftun_size)
+    if (0 < buftun_size)
       FD_SET (1, &fds_w);
 
     /*
@@ -541,7 +541,10 @@ run (int fd_tun)
         {
           if ( (errno == EINTR) ||
                (errno == EAGAIN) )
-            continue;
+            {
+              buftun_size = 0;
+              continue;
+            }
           fprintf (stderr, "read-error: %s\n", strerror (errno));
           return;
         }