linux-kernel - [PATCH RFC 09/13] exit: Use for_each_thread() in do

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Message-ID: <1432575941.6866.42.camel@odin.com>
Date:	Mon, 25 May 2015 20:45:41 +0300
From:	Kirill Tkhai <ktkhai@...n.com>
To:	<linux-kernel@...r.kernel.org>
CC:	Oleg Nesterov <oleg@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...hat.com>,
	"Peter Zijlstra" <peterz@...radead.org>,
	Michal Hocko <mhocko@...e.cz>,
	"Rik van Riel" <riel@...hat.com>,
	Ionut Alexa <ionut.m.alexa@...il.com>,
	Peter Hurley <peter@...leysoftware.com>,
	Kirill Tkhai <tkhai@...dex.ru>
Subject: [PATCH RFC 09/13] exit: Use for_each_thread() in do_wait()

Refactoring, no functionality change.

Signed-off-by: Kirill Tkhai <ktkhai@...n.com>
---
 kernel/exit.c |    5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/kernel/exit.c b/kernel/exit.c
index a268093..c84f3e4 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -1538,8 +1538,7 @@ static long do_wait(struct wait_opts *wo)
 
 	set_current_state(TASK_INTERRUPTIBLE);
 	read_lock(&tasklist_lock);
-	tsk = current;
-	do {
+	for_each_thread(current, tsk) {
 		retval = do_wait_thread(wo, tsk);
 		if (retval)
 			goto end;
@@ -1550,7 +1549,7 @@ static long do_wait(struct wait_opts *wo)
 
 		if (wo->wo_flags & __WNOTHREAD)
 			break;
-	} while_each_thread(current, tsk);
+	}
 	read_unlock(&tasklist_lock);
 
 notask:



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