handle error properly, do not just log but continue gracefully

1 files changed, 13 insertions, 6 deletions

diff --git a/src/gns/gnunet-dns2gns.c b/src/gns/gnunet-dns2gns.c
index 424677d14..bf7cca042 100644
--- a/src/gns/gnunet-dns2gns.c
+++ b/src/gns/gnunet-dns2gns.c
@@ -533,14 +533,21 @@ read_dns4 (void *cls)
     }
   {
     char buf[size + 1];
+    ssize_t sret;
 
     addrlen = sizeof (v4);
-    GNUNET_break (size ==
-                  GNUNET_NETWORK_socket_recvfrom (listen_socket4,
-                                                  buf,
-                                                  size + 1,
-                                                  (struct sockaddr *) &v4,
-                                                  &addrlen));
+    sret = GNUNET_NETWORK_socket_recvfrom (listen_socket4,
+                                           buf,
+                                           size + 1,
+                                           (struct sockaddr *) &v4,
+                                           &addrlen);
+    if (0 > sret)
+    {
+      GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING,
+                           "recvfrom");
+      return;
+    }
+    GNUNET_break (size == (size_t) sret);
     handle_request (listen_socket4,
                     &v4,
                     addrlen,