From de9acf5d48151f1c9ca0b42d699e92b8502bebad Mon Sep 17 00:00:00 2001
From: Dario Nieuwenhuis <dirbaio@dirbaio.net>
Date: Wed, 6 Apr 2022 02:18:56 +0200
Subject: [PATCH] usb/hid: fix infinite loop when N=0

---
 embassy-usb-hid/src/lib.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/embassy-usb-hid/src/lib.rs b/embassy-usb-hid/src/lib.rs
index e29d485f..996de6a5 100644
--- a/embassy-usb-hid/src/lib.rs
+++ b/embassy-usb-hid/src/lib.rs
@@ -252,6 +252,7 @@ impl<'d, D: Driver<'d>, const N: usize> ReportReader<'d, D, N> {
     /// `read()`. If the dropped future used the same `buf`, then `buf` will
     /// contain the full report.
     pub async fn read(&mut self, buf: &mut [u8]) -> Result<usize, ReadError> {
+        assert!(N != 0);
         assert!(buf.len() >= N);
 
         // Read packets from the endpoint