linux-kernel - [PATCH 1/2] Completely replace wait_noreap_copyout() by copy_wait_opts_to

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Date:	Thu, 14 May 2009 11:50:13 +0200
From:	Vitaly Mayatskikh <v.mayatskih@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Oleg Nesterov <oleg@...hat.com>, Ingo Molnar <mingo@...e.hu>,
	Roland McGrath <roland@...hat.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] Completely replace wait_noreap_copyout() by copy_wait_opts_to_user()

wait_noreap_copyout() currently is a short wrapper for
copy_wait_opts_to_user(), and wait_task_zombie() is the only one caller
of it.

Signed-off-by: Vitaly Mayatskikh <v.mayatskih@...il.com>
---
 kernel/exit.c |   13 ++++---------
 1 files changed, 4 insertions(+), 9 deletions(-)

diff --git a/kernel/exit.c b/kernel/exit.c
index f22e82c..3952385 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -1143,14 +1143,6 @@ static int copy_wait_opts_to_user(struct wait_opts *wo, struct task_struct *p,
 		if (!retval)
 			retval = put_user(status, &infop->si_status);
 	}
-	return retval;
-}
-
-static int wait_noreap_copyout(struct wait_opts *wo, struct task_struct *p,
-				pid_t pid, uid_t uid, int why, int status)
-{
-	int retval = copy_wait_opts_to_user(wo, p, pid, uid, why, status, SIGCHLD);
-	put_task_struct(p);
 	if (!retval)
 		retval = pid;
 	return retval;
@@ -1184,7 +1176,10 @@ static int wait_task_zombie(struct wait_opts *wo, struct task_struct *p)
 			why = (exit_code & 0x80) ? CLD_DUMPED : CLD_KILLED;
 			status = exit_code & 0x7f;
 		}
-		return wait_noreap_copyout(wo, p, pid, uid, why, status);
+		retval = copy_wait_opts_to_user(wo, p, pid, uid,
+						why, status, SIGCHLD);
+		put_task_struct(p);
+		return retval;
 	}
 
 	/*
-- 
1.6.2.2


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