diff --git a/kernel/ethosu_device.c b/kernel/ethosu_device.c
index 7ad2a28..231c6d3 100644
--- a/kernel/ethosu_device.c
+++ b/kernel/ethosu_device.c
@@ -73,7 +73,7 @@
 	struct device *dev = &edev->dev;
 	struct ethosu_core_rpmsg *rpmsg = data;
 	int length = len - sizeof(rpmsg->header);
-	int ret;
+	int ret = 0;
 
 	if (unlikely(rpmsg->header.magic != ETHOSU_CORE_MSG_MAGIC)) {
 		dev_warn(dev, "Msg: Error invalid message magic. magic=0x%08x",