Don't try to send MTU probes to unreachable nodes.

[tinc] / src / meta.c

diff --git a/src/meta.c b/src/meta.c
index a32d413..b59f15b 100644 (file)
--- a/src/meta.c
+++ b/src/meta.c
@@ -41,6 +41,11 @@ bool send_meta(connection_t *c, const char *buffer, int length)
 
        cp();
 
+       if(!c) {
+               logger(LOG_ERR, _("send_meta() called with NULL pointer!"));
+               abort();
+       }
+
        ifdebug(META) logger(LOG_DEBUG, _("Sending %d bytes of metadata to %s (%s)"), length,
                           c->name, c->hostname);