From 12c4911fb8d891b0d0247a1ad386b0e274cb2803 Mon Sep 17 00:00:00 2001
From: Yang Yingliang <yangyingliang@huawei.com>
Date: Mon, 15 Mar 2021 17:47:51 +0800
Subject: [PATCH] sysfs: fix kabi broken when add sysfs_emit and sysfs_emit_at
hulk inclusion
category: bugfix
bugzilla: NA
CVE: CVE-2021-27365
---------------------------
It's introduced by 5bf67c8c2d947 ("sysfs: Add sysfs_emit and...").
Fix it by remove include mm.h.
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: zhangyi (F) <yi.zhang@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Cheng Jian <cj.chengjian@huawei.com>
---
fs/sysfs/file.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c
index 74de104f8f33..ba8a7daa994f 100644
--- a/fs/sysfs/file.c
+++ b/fs/sysfs/file.c
@@ -15,7 +15,6 @@
#include <linux/list.h>
#include <linux/mutex.h>
#include <linux/seq_file.h>
-#include <linux/mm.h>
#include "sysfs.h"
#include "../kernfs/kernfs-internal.h"
@@ -560,6 +559,7 @@ void sysfs_remove_bin_file(struct kobject *kobj,
}
EXPORT_SYMBOL_GPL(sysfs_remove_bin_file);
+#define offset_in_page(p) ((unsigned long)(p) & ~PAGE_MASK)
/**
* sysfs_emit - scnprintf equivalent, aware of PAGE_SIZE buffer.
* @buf: start of PAGE_SIZE buffer.
--
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