From 0f5c96926cef227e83aba211efa5838bef3413e3 Mon Sep 17 00:00:00 2001
From: Pavol Rusnak <pavol@rusnak.io>
Date: Sun, 17 Feb 2019 20:22:18 +0100
Subject: [PATCH] firmware/u2f: memzero the readbuffer

---
 firmware/u2f.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/firmware/u2f.c b/firmware/u2f.c
index 048b52a15f..6cb05914db 100644
--- a/firmware/u2f.c
+++ b/firmware/u2f.c
@@ -175,6 +175,8 @@ void u2fhid_init_cmd(const U2FHID_FRAME *f) {
 
 void u2fhid_read_start(const U2FHID_FRAME *f) {
 	U2F_ReadBuffer readbuffer;
+	memzero(&readbuffer, sizeof(readbuffer));
+
 	if (!(f->type & TYPE_INIT)) {
 		return;
 	}