From 51982de36b18b8a1a7aeeaeb75ea6ca65af3669e Mon Sep 17 00:00:00 2001
From: Hannes Weisbach <hannes.weisbach@riken.jp>
Date: Wed, 20 Sep 2017 13:31:22 +0900
Subject: [PATCH] Handle return value of mcctrl_ikc_send in
 mcexec_handle_prepare_image

---
 executer/kernel/mcctrl/control.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/executer/kernel/mcctrl/control.c b/executer/kernel/mcctrl/control.c
index 8546a3b0..ec8f48d6 100644
--- a/executer/kernel/mcctrl/control.c
+++ b/executer/kernel/mcctrl/control.c
@@ -190,7 +190,11 @@ static long mcexec_prepare_image(ihk_os_t os,
 	
 	pdesc->status = 0;
 	mb();
-	mcctrl_ikc_send(os, pdesc->cpu, &isp);
+	ret = mcctrl_ikc_send(os, pdesc->cpu, &isp);
+	if(ret < 0) {
+		printk("%s: ERROR mcctrl_ikc_send: %d\n", __FUNCTION__, ret);
+		goto put_and_free_out;
+	}
 
 	ret = wait_event_interruptible(ppd->wq_prepare, pdesc->status);
 	if (ret < 0) {