From 268e818bf1c301d7367f923b72f369a3d6a76922 Mon Sep 17 00:00:00 2001
From: Dmytro Prokopchuk1 <dmytro_prokopchuk1@epam.com>
Date: Tue, 12 Aug 2025 15:46:43 +0000
Subject: [PATCH] misra: add missing noreturn attribute for __div0()

The __div0() function never returns to its caller, causing a violation
of MISRA C Rule 2.1: "A project shall not contain unreachable code".
Add the `noreturn` attribute to fix this.

Signed-off-by: Dmytro Prokopchuk <dmytro_prokopchuk1@epam.com>
Reviewed-by: Nicola Vetrini <nicola.vetrini@bugseng.com>
Acked-by: Stefano Stabellini <sstabellini@kernel.org>
---
 xen/arch/arm/traps.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/arch/arm/traps.c b/xen/arch/arm/traps.c
index 445e7378dd..2bc3e1df04 100644
--- a/xen/arch/arm/traps.c
+++ b/xen/arch/arm/traps.c
@@ -172,7 +172,7 @@ void init_traps(void)
     isb();
 }
 
-void asmlinkage __div0(void)
+void asmlinkage noreturn __div0(void)
 {
     printk("Division by zero in hypervisor.\n");
     BUG();