From 9104d7684cb760b4867c9c4189d964b9263b5ee7 Mon Sep 17 00:00:00 2001
From: Jan Pochyla <jpochyla@gmail.com>
Date: Wed, 18 May 2016 19:27:42 +0200
Subject: [PATCH] fix msg.send()

---
 extmod/modtrezormsg/modtrezormsg-unix.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/extmod/modtrezormsg/modtrezormsg-unix.h b/extmod/modtrezormsg/modtrezormsg-unix.h
index 1cfd5504..95faecd3 100644
--- a/extmod/modtrezormsg/modtrezormsg-unix.h
+++ b/extmod/modtrezormsg/modtrezormsg-unix.h
@@ -42,7 +42,7 @@ const uint8_t *msg_recv(void)
 {
     static uint8_t buf[RECV_BUFLEN];
     struct sockaddr_in si;
-    socklen_t sl;
+    socklen_t sl = sizeof(si);
     memset(buf, 0, sizeof(buf));
     int len = recvfrom(s, buf, RECV_BUFLEN, MSG_DONTWAIT, (struct sockaddr *)&si, &sl);
     if (len < 0) {