linux-kernel - [PATCH 4/7] pid: modify task_tgid

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Message-Id: <4c2bd4df9a53965a50c83e7ea38e0d39601a4326.1390495874.git.rgb@redhat.com>
Date:	Thu, 23 Jan 2014 14:32:37 -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 4/7] pid: modify task_tgid_nr to work without task->tgid.

task->tgid is an error prone construct and results in duplicate maintenance.
Start it's demise by modifying task_tgid_nr to not use it.

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 195f6bd..b4e658c 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1550,7 +1550,7 @@ static inline pid_t task_pid_vnr(struct task_struct *tsk)
 
 static inline pid_t task_tgid_nr(struct task_struct *tsk)
 {
-	return tsk->tgid;
+	return pid_nr(task_tgid(tsk));
 }
 
 pid_t task_tgid_nr_ns(struct task_struct *tsk, struct pid_namespace *ns);
-- 
1.7.1

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