From: Heiko Carstens <hca@linux.ibm.com>
Date: Mon, 8 Jun 2026 14:19:08 +0000 (+0200)
Subject: s390/process: Fix kernel thread function pointer type
X-Git-Url: http://git.ipfire.org/gitweb/?a=commitdiff_plain;h=d0478f5d3cba1095bfdeb43a9b063c10cdebef14;p=thirdparty%2Flinux.git

s390/process: Fix kernel thread function pointer type

In case of a kernel thread __ret_from_fork() calls the specified function
indirectly. Fix the kernel thread function pointer, since kernel threads
return an int instead of void.

Fixes: 56e62a737028 ("s390: convert to generic entry")
Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
---

diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
index dabd569dbba8d..416650ae4871c 100644
--- a/arch/s390/kernel/process.c
+++ b/arch/s390/kernel/process.c
@@ -50,7 +50,7 @@ void ret_from_fork(void) asm("ret_from_fork");
 
 void __ret_from_fork(struct task_struct *prev, struct pt_regs *regs)
 {
-	void (*func)(void *arg);
+	int (*func)(void *arg);
 
 	schedule_tail(prev);