Improve debug messages

[simgrid.git] / src / simix / smx_network.c

diff --git a/src/simix/smx_network.c b/src/simix/smx_network.c
index 68d36ae..6b4922f 100644 (file)
--- a/src/simix/smx_network.c
+++ b/src/simix/smx_network.c
@@ -625,7 +625,9 @@ void SIMIX_comm_finish(smx_action_t action)
       case SIMIX_LINK_FAILURE:
         TRY {
          XBT_DEBUG("Link failure in action %p between '%s' and '%s': posting an exception to the issuer: %s (%p)",
-             action, action->comm.src_proc->smx_host->name, action->comm.dst_proc->smx_host->name,
+             action,
+             action->comm.src_proc ? action->comm.src_proc->smx_host->name : NULL,
+             action->comm.dst_proc ? action->comm.dst_proc->smx_host->name : NULL,
              req->issuer->name, req->issuer);
           THROWF(network_error, 0, "Link failure");
         }