[PATCH 4/7] pid: modify task_tgid_nr to work without task->tgid.

From: Richard Guy Briggs
Date: Thu Jan 23 2014 - 14:35:48 EST


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@xxxxxxxxxxxx>
Signed-off-by: Richard Guy Briggs <rgb@xxxxxxxxxx>
---
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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