linux-kernel - [PATCH 2/3] Replace wait_noreap_copyout() by copy_wait_opts_to

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Date:	Wed, 13 May 2009 14:08:12 +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 2/3] 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 |   17 +++++------------
 1 files changed, 5 insertions(+), 12 deletions(-)

diff --git a/kernel/exit.c b/kernel/exit.c
index f069bc1..cea85c9 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -1154,17 +1154,6 @@ static int copy_wait_opts_to_user(struct wait_opts *wo, struct wait_info *wi)
 	return retval;
 }
 
-static int wait_noreap_copyout(struct wait_opts *wo, struct wait_info *wi)
-{
-	int retval;
-	wi->signal = SIGCHLD;
-	retval = copy_wait_opts_to_user(wo, wi);
-	put_task_struct(wi->p);
-	if (!retval)
-		retval = wi->pid;
-	return retval;
-}
-
 /*
  * Handle sys_wait4 work for one task in state EXIT_ZOMBIE.  We hold
  * read_lock(&tasklist_lock) on entry.  If we return zero, we still hold
@@ -1194,7 +1183,11 @@ static int wait_task_zombie(struct wait_opts *wo, struct task_struct *p)
 			wi.why = (wi.status & 0x80) ? CLD_DUMPED : CLD_KILLED;
 			wi.status &= 0x7f;
 		}
-		return wait_noreap_copyout(wo, &wi);
+		retval = copy_wait_opts_to_user(wo, &wi);
+		put_task_struct(p);
+		if (!retval)
+			retval = wi.pid;
+		return retval;
 	}
 
 	/*
-- 
1.6.2.2


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