From c1e93c0904706a7497046ba25d82fcfda6576734 Mon Sep 17 00:00:00 2001
From: Davide Della Giustina <davide@dellagiustina.com>
Date: Tue, 28 Feb 2023 14:34:26 +0000
Subject: [PATCH] PacketQueue::new() uses ::init() when in nightly

---
 embassy-stm32/src/eth/mod.rs | 25 ++++++++++++++++++-------
 1 file changed, 18 insertions(+), 7 deletions(-)

diff --git a/embassy-stm32/src/eth/mod.rs b/embassy-stm32/src/eth/mod.rs
index 9b500bfd6..04c74e605 100644
--- a/embassy-stm32/src/eth/mod.rs
+++ b/embassy-stm32/src/eth/mod.rs
@@ -30,13 +30,24 @@ pub struct PacketQueue<const TX: usize, const RX: usize> {
 
 impl<const TX: usize, const RX: usize> PacketQueue<TX, RX> {
     pub const fn new() -> Self {
-        const NEW_TDES: TDes = TDes::new();
-        const NEW_RDES: RDes = RDes::new();
-        Self {
-            tx_desc: [NEW_TDES; TX],
-            rx_desc: [NEW_RDES; RX],
-            tx_buf: [Packet([0; TX_BUFFER_SIZE]); TX],
-            rx_buf: [Packet([0; RX_BUFFER_SIZE]); RX],
+        #[cfg(feature = "nightly")]
+        {
+            let mut this = core::mem::MaybeUninit::uninit();
+            unsafe {
+                Self::init(&mut this);
+                this.assume_init()
+            }
+        }
+        #[cfg(not(feature = "nightly"))]
+        {
+            const NEW_TDES: TDes = TDes::new();
+            const NEW_RDES: RDes = RDes::new();
+            Self {
+                tx_desc: [NEW_TDES; TX],
+                rx_desc: [NEW_RDES; RX],
+                tx_buf: [Packet([0; TX_BUFFER_SIZE]); TX],
+                rx_buf: [Packet([0; RX_BUFFER_SIZE]); RX],
+            }
         }
     }