linux-kernel - [PATCH 3/5] coredump: cleanup the waiting for coredump

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Message-Id: <1360885096-21207-3-git-send-email-msb@chromium.org>
Date:	Thu, 14 Feb 2013 15:38:14 -0800
From:	Mandeep Singh Baines <msb@...omium.org>
To:	linux-kernel@...r.kernel.org
Cc:	Mandeep Singh Baines <msb@...omium.org>,
	Oleg Nesterov <oleg@...hat.com>, Tejun Heo <tj@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>, Ingo Molnar <mingo@...hat.com>
Subject: [PATCH 3/5] coredump: cleanup the waiting for coredump_finish code

Replace the for loop with a simple if.

Signed-off-by: Mandeep Singh Baines <msb@...omium.org>
CC: Oleg Nesterov <oleg@...hat.com>
CC: Tejun Heo <tj@...nel.org>
CC: Andrew Morton <akpm@...ux-foundation.org>
CC: Rafael J. Wysocki <rjw@...k.pl>
CC: Ingo Molnar <mingo@...hat.com>
---
 kernel/exit.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/kernel/exit.c b/kernel/exit.c
index b4df219..f215198 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -479,12 +479,9 @@ static void exit_mm(struct task_struct * tsk)
 		if (atomic_dec_and_test(&core_state->nr_threads))
 			complete(&core_state->startup);
 
-		for (;;) {
-			set_task_state(tsk, TASK_UNINTERRUPTIBLE);
-			if (!self.task) /* see coredump_finish() */
-				break;
+		set_task_state(tsk, TASK_UNINTERRUPTIBLE);
+		if (self.task) /* see coredump_finish() */
 			schedule();
-		}
 		__set_task_state(tsk, TASK_RUNNING);
 		down_read(&mm->mmap_sem);
 	}
-- 
1.8.1

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