From 2c3df7381f1364c2706e783ad25ee61a408e1664 Mon Sep 17 00:00:00 2001
From: Jan Pochyla <jpochyla@gmail.com>
Date: Thu, 11 Jan 2018 21:53:09 +0100
Subject: [PATCH] unix/usb: fix wur

---
 embed/unix/usb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/embed/unix/usb.c b/embed/unix/usb.c
index d90c49454..06afe6a49 100644
--- a/embed/unix/usb.c
+++ b/embed/unix/usb.c
@@ -106,7 +106,7 @@ int usb_hid_read(uint8_t iface_num, uint8_t *buf, uint32_t len) {
     static const char *ping_req = "PINGPING";
     static const char *ping_resp = "PONGPONG";
     if (r == strlen(ping_req) && memcmp(ping_req, buf, strlen(ping_req)) == 0) {
-        usb_hid_write(0, (const uint8_t *)ping_resp, strlen(ping_resp));
+        ensure(usb_hid_write(0, (const uint8_t *)ping_resp, strlen(ping_resp)), "usb_hid_write");
         return 0;
     }
     return r;