linux-kernel - [PATCH 3/5] [V2] Use task_pid() to find leader's pid

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Message-ID: <20070719072052.GC28216@us.ibm.com>
Date:	Thu, 19 Jul 2007 00:20:52 -0700
From:	sukadev@...ibm.com
To:	Andrew Morton <akpm@...l.org>, linux-kernel@...r.kernel.org
Cc:	Containers <containers@...ts.osdl.org>,
	Oleg Nesterov <oleg@...sign.ru>,
	Pavel Emelianov <xemul@...nvz.org>
Subject: [PATCH 3/5] [V2] Use task_pid() to find leader's pid


Subject: [PATCH 3/5] Use task_pid() to find leader's pid

From: Sukadev Bhattiprolu <sukadev@...ibm.com>

Use task_pid() to get leader's 'struct pid' and avoid the find_pid().

Signed-off-by: Sukadev Bhattiprolu <sukadev@...ibm.com>
Acked-by: Pavel Emelianov <xemul@...nvz.org>

Cc: Eric W. Biederman <ebiederm@...ssion.com>
Cc: Cedric Le Goater <clg@...ibm.com>
Cc: Dave Hansen <haveblue@...ibm.com>
Cc: Serge Hallyn <serue@...ibm.com>
Cc: Herbert Poetzel <herbert@...hfloor.at>
---
 fs/exec.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: lx26-22-rc6-mm1a/fs/exec.c
===================================================================
--- lx26-22-rc6-mm1a.orig/fs/exec.c	2007-07-13 18:23:55.000000000 -0700
+++ lx26-22-rc6-mm1a/fs/exec.c	2007-07-16 12:56:22.000000000 -0700
@@ -908,7 +908,7 @@ static int de_thread(struct task_struct 
 		 */
 		detach_pid(tsk, PIDTYPE_PID);
 		tsk->pid = leader->pid;
-		attach_pid(tsk, PIDTYPE_PID,  find_pid(tsk->pid));
+		attach_pid(tsk, PIDTYPE_PID,  task_pid(leader));
 		transfer_pid(leader, tsk, PIDTYPE_PGID);
 		transfer_pid(leader, tsk, PIDTYPE_SID);
 		list_replace_rcu(&leader->tasks, &tsk->tasks);
-
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