Fixed potential NULL dereference.

1 files changed, 9 insertions, 3 deletions

diff --git a/src/nat/gnunet-nat.c b/src/nat/gnunet-nat.c
index b3cf2e946..72f343627 100644
--- a/src/nat/gnunet-nat.c
+++ b/src/nat/gnunet-nat.c
@@ -377,10 +377,16 @@ run (void *cls,
     ls = GNUNET_NETWORK_socket_create (af,
                                        SOCK_DGRAM,
                                        IPPROTO_UDP);
+    if (NULL == ls)
+    {
+      GNUNET_log (GNUNET_ERROR_TYPE_MESSAGE,
+      "Failed to create socket\n");
+      goto fail_and_shutdown;
+    }
     if (GNUNET_OK !=
-        GNUNET_NETWORK_socket_bind (ls,
-                                    local_sa,
-                                    local_len))
+        GNUNET_NETWORK_socket_bind (ls,
+                                    local_sa,
+                                    local_len))
     {
       GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                   "Failed to bind to %s: %s\n",