From dbdb75bd087954aaf9b3248109cb85748b62c21d Mon Sep 17 00:00:00 2001
From: Ding Xiang <dingxiang@cmss.chinamobile.com>
Date: Tue, 4 Sep 2018 16:41:39 +0800
Subject: security: tomoyo: Fix obsolete function

simple_strtoul is obsolete, and use kstrtouint instead

Signed-off-by: Ding Xiang <dingxiang@cmss.chinamobile.com>
Acked-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: James Morris <james.morris@microsoft.com>
---
 security/tomoyo/common.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'security/tomoyo/common.c')

diff --git a/security/tomoyo/common.c b/security/tomoyo/common.c
index 03923a138ef5..9b38f94b5dd0 100644
--- a/security/tomoyo/common.c
+++ b/security/tomoyo/common.c
@@ -1660,7 +1660,8 @@ static void tomoyo_read_pid(struct tomoyo_io_buffer *head)
 	head->r.eof = true;
 	if (tomoyo_str_starts(&buf, "global-pid "))
 		global_pid = true;
-	pid = (unsigned int) simple_strtoul(buf, NULL, 10);
+	if (kstrtouint(buf, 10, &pid))
+		return;
 	rcu_read_lock();
 	if (global_pid)
 		p = find_task_by_pid_ns(pid, &init_pid_ns);
-- 
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