linux-kernel - [PATCH] virtiofs: don't mark virtio_fs_sysfs_exit as _

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Message-Id: <20240228214708.611460-1-arnd@kernel.org>
Date: Wed, 28 Feb 2024 22:46:59 +0100
From: Arnd Bergmann <arnd@...nel.org>
To: Vivek Goyal <vgoyal@...hat.com>,
	Stefan Hajnoczi <stefanha@...hat.com>,
	Miklos Szeredi <miklos@...redi.hu>
Cc: Arnd Bergmann <arnd@...db.de>,
	Dan Williams <dan.j.williams@...el.com>,
	Jane Chu <jane.chu@...cle.com>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	virtualization@...ts.linux.dev,
	linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] virtiofs: don't mark virtio_fs_sysfs_exit as __exit

From: Arnd Bergmann <arnd@...db.de>

Calling an __exit function from an __init function is not allowed
and will result in undefined behavior when the code is built-in:

WARNING: modpost: vmlinux: section mismatch in reference: virtio_fs_init+0x50 (section: .init.text) -> virtio_fs_sysfs_exit (section: .exit.text)

Remove the incorrect annotation.

Fixes: a8f62f50b4e4 ("virtiofs: export filesystem tags through sysfs")
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 fs/fuse/virtio_fs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/fuse/virtio_fs.c b/fs/fuse/virtio_fs.c
index 3a7dd48b534f..36d87dd3cb48 100644
--- a/fs/fuse/virtio_fs.c
+++ b/fs/fuse/virtio_fs.c
@@ -1595,7 +1595,7 @@ static int __init virtio_fs_sysfs_init(void)
 	return 0;
 }
 
-static void __exit virtio_fs_sysfs_exit(void)
+static void virtio_fs_sysfs_exit(void)
 {
 	kset_unregister(virtio_fs_kset);
 	virtio_fs_kset = NULL;
-- 
2.39.2