linux-kernel - [PATCH 6/6 RFC] arch/mn10300/kernel/process.c: Remove the BKL from sys

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Message-ID: <alpine.LFD.2.00.0910130016540.3658@localhost.localdomain>
Date:	Tue, 13 Oct 2009 00:35:06 +0200 (CEST)
From:	John Kacur <jkacur@...hat.com>
To:	linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>
cc:	Frederic Weisbecker <fweisbec@...il.com>,
	Vincent Sanders <vince@...tec.co.uk>,
	Ingo Molnar <mingo@...e.hu>,
	Christoph Hellwig <hch@...radead.org>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jonathan Corbet <corbet@....net>,
	Mike Frysinger <vapier@...too.org>,
	David Howells <dhowells@...hat.com>,
	Yoshinori Sato <ysato@...rs.sourceforge.jp>,
	Roman Zippel <zippel@...ux-m68k.org>,
	Greg Ungerer <gerg@...inux.org>,
	David Howells <dhowells@...hat.com>,
	Koichi Yasutake <yasutake.koichi@...panasonic.com>
Subject: [PATCH 6/6 RFC] arch/mn10300/kernel/process.c: Remove the BKL from
 sys_execve

>From f05f8e3a2f5210e5274e758f66e33a9d168eacde Mon Sep 17 00:00:00 2001
From: John Kacur <jkacur@...hat.com>
Date: Mon, 12 Oct 2009 23:41:55 +0200
Subject: [PATCH] arch/mn10300/kernel/process.c: Remove the BKL from sys_execve

This looks like a cut-and-paste from functionality that no-longer needs the bkl
Just remove it. Also, rewrite slightly so that it looks closer to sys_execve
on other architectures.

Signed-off-by: John Kacur <jkacur@...hat.com>
---
 arch/mn10300/kernel/process.c |   12 ++++--------
 1 files changed, 4 insertions(+), 8 deletions(-)

diff --git a/arch/mn10300/kernel/process.c b/arch/mn10300/kernel/process.c
index 892cce8..ec8a21d 100644
--- a/arch/mn10300/kernel/process.c
+++ b/arch/mn10300/kernel/process.c
@@ -275,16 +275,12 @@ asmlinkage long sys_execve(char __user *name,
 	char *filename;
 	int error;
 
-	lock_kernel();
-
 	filename = getname(name);
 	error = PTR_ERR(filename);
-	if (!IS_ERR(filename)) {
-		error = do_execve(filename, argv, envp, __frame);
-		putname(filename);
-	}
-
-	unlock_kernel();
+	if (IS_ERR(filename))
+		return error;
+	error = do_execve(filename, argv, envp, __frame);
+	putname(filename);
 	return error;
 }
 
-- 
1.6.0.6


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