linux-kernel - [PATCH] security: tomoyo: Fix obsolete function

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Message-Id: <1536050499-20889-1-git-send-email-dingxiang@cmss.chinamobile.com>
Date:   Tue,  4 Sep 2018 16:41:39 +0800
From:   Ding Xiang <dingxiang@...s.chinamobile.com>
To:     takedakn@...data.co.jp, penguin-kernel@...ove.SAKURA.ne.jp,
        linux-security-module@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     dingxiang@...s.chinamobile.com
Subject: [PATCH] security: tomoyo: Fix obsolete function

simple_strtoul is obsolete, and use kstrtouint instead

Signed-off-by: Ding Xiang <dingxiang@...s.chinamobile.com>
---
 security/tomoyo/common.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/security/tomoyo/common.c b/security/tomoyo/common.c
index 03923a1..9b38f94 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);
-- 
1.9.1