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usb/hid: fix infinite loop when N=0

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Dario Nieuwenhuis 2022-04-06 02:18:56 +02:00
parent 6d514a0b31
commit de9acf5d48
1 changed files with 1 additions and 0 deletions
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embassy-usb-hid/src/lib.rs
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@ -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 /// `read()`. If the dropped future used the same `buf`, then `buf` will
/// contain the full report. /// contain the full report.
pub async fn read(&mut self, buf: &mut [u8]) -> Result<usize, ReadError> { pub async fn read(&mut self, buf: &mut [u8]) -> Result<usize, ReadError> {
assert!(N != 0);
assert!(buf.len() >= N); assert!(buf.len() >= N);
// Read packets from the endpoint // Read packets from the endpoint