From 07c09146129f310fd130d0053ce8c493f20a87df Mon Sep 17 00:00:00 2001
From: Arnaud Giersch <arnaud.giersch@univ-fcomte.fr>
Date: Sat, 6 Mar 2021 18:06:08 +0100
Subject: [PATCH] Zero-initialize struct to avoid valgrind warnings.

---
 src/mc/Session.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/mc/Session.cpp b/src/mc/Session.cpp
index 3bd3c4835d..0677662b1d 100644
--- a/src/mc/Session.cpp
+++ b/src/mc/Session.cpp
@@ -144,7 +144,9 @@ void Session::close()
 
 bool Session::actor_is_enabled(aid_t pid) const
 {
-  s_mc_message_actor_enabled_t msg{simgrid::mc::MessageType::ACTOR_ENABLED, pid};
+  s_mc_message_actor_enabled_t msg{};
+  msg.type = simgrid::mc::MessageType::ACTOR_ENABLED;
+  msg.aid  = pid;
   model_checker_->channel().send(msg);
   std::array<char, MC_MESSAGE_LENGTH> buff;
   ssize_t received = model_checker_->channel().receive(buff.data(), buff.size(), true);
-- 
2.20.1