From f74c5f0892dc4a2a3c8ca85463e5dfe3b0edf805 Mon Sep 17 00:00:00 2001
From: Thibaut Vandervelden <thvdveld@vub.be>
Date: Tue, 5 Dec 2023 13:50:02 +0100
Subject: [PATCH] fix: don't handle empty packets

Smoltcp should not handle empty packets.
---
 src/iface/interface/mod.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/iface/interface/mod.rs b/src/iface/interface/mod.rs
index bd4e071e8..af66e2fef 100644
--- a/src/iface/interface/mod.rs
+++ b/src/iface/interface/mod.rs
@@ -684,6 +684,10 @@ impl Interface {
         while let Some((rx_token, tx_token)) = device.receive(self.inner.now) {
             let rx_meta = rx_token.meta();
             rx_token.consume(|frame| {
+                if frame.is_empty() {
+                    return;
+                }
+
                 match self.inner.caps.medium {
                     #[cfg(feature = "medium-ethernet")]
                     Medium::Ethernet => {