linux-kernel - [PATCH 5/7] pid: rewrite task helper function is_global

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Date:	Thu, 23 Jan 2014 14:32:38 -0500
From:	Richard Guy Briggs <rgb@...hat.com>
To:	linux-audit@...hat.com, linux-kernel@...r.kernel.org
Cc:	Richard Guy Briggs <rgb@...hat.com>, eparis@...hat.com,
	sgrubb@...hat.com, akpm@...ux-foundation.org, peterz@...radead.org,
	oleg@...hat.com, "Eric W. Biederman" <ebiederm@...ssion.com>
Subject: [PATCH 5/7] pid: rewrite task helper function is_global_init() avoiding task->pid

Use the access function task_pid_nr() to get pid.

(informed by ebiederman's ea5a4d01)
Cc: "Eric W. Biederman" <ebiederm@...ssion.com>
Signed-off-by: Richard Guy Briggs <rgb@...hat.com>
---
 include/linux/sched.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/include/linux/sched.h b/include/linux/sched.h
index b4e658c..f60de19 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1615,7 +1615,7 @@ static inline int pid_alive(struct task_struct *p)
  */
 static inline int is_global_init(struct task_struct *tsk)
 {
-	return tsk->pid == 1;
+	return task_pid_nr(tsk) == 1;
 }
 
 extern struct pid *cad_pid;
-- 
1.7.1

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