From d242d63c2e0f76318fea8bfee965ad99fbbdc4f1 Mon Sep 17 00:00:00 2001
From: Martin Preuss <martin@aquamaniac.de>
Date: Sun, 6 Jul 2025 14:39:48 +0200
Subject: [PATCH] disable irqs when releasing buffer.

---
 avr/modules/network/buffer.asm | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/avr/modules/network/buffer.asm b/avr/modules/network/buffer.asm
index e3d48cf..92732e4 100644
--- a/avr/modules/network/buffer.asm
+++ b/avr/modules/network/buffer.asm
@@ -95,10 +95,15 @@ NET_Buffer_ReleaseByAddr:
 ; @clobbers X (R16)
 
 NET_Buffer_ReleaseByNum:
-  rcall NET_Buffer_Locate          ; (R16, X)
-  brcc NET_Buffer_ReleaseByNum_end
-  rcall NET_Buffer_ReleaseByAddr   ; (R16)
+  push r15
+    in r15, SREG
+    cli
+    rcall NET_Buffer_Locate          ; (R16, X)
+    brcc NET_Buffer_ReleaseByNum_end
+    rcall NET_Buffer_ReleaseByAddr   ; (R16)
 NET_Buffer_ReleaseByNum_end:
+    out SREG, r15
+  pop r15
   ret
 ; @end