linux-kernel - [RFC PATCH 20/43] ptrace, m32r: cleanup arch

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Date:	Fri, 27 Aug 2010 18:42:06 +0900
From:	Namhyung Kim <namhyung@...il.com>
To:	Roland McGrath <roland@...hat.com>,
	Oleg Nesterov <oleg@...hat.com>, Arnd Bergmann <arnd@...db.de>
Cc:	linux-kernel@...r.kernel.org,
	Hirokazu Takata <takata@...ux-m32r.org>
Subject: [RFC PATCH 20/43] ptrace, m32r: cleanup arch_ptrace()

use new 'datap' variable in order to remove duplicated castings.

Signed-off-by: Namhyung Kim <namhyung@...il.com>
Cc: Hirokazu Takata <takata@...ux-m32r.org>
---
 arch/m32r/kernel/ptrace.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/m32r/kernel/ptrace.c b/arch/m32r/kernel/ptrace.c
index 69bbf7a..fc93e8d 100644
--- a/arch/m32r/kernel/ptrace.c
+++ b/arch/m32r/kernel/ptrace.c
@@ -625,6 +625,7 @@ arch_ptrace(struct task_struct *child, long request,
 	    unsigned long addr, unsigned long data)
 {
 	int ret;
+	unsigned long __user *datap = (unsigned long __user *) data;
 
 	switch (request) {
 	/*
@@ -639,8 +640,7 @@ arch_ptrace(struct task_struct *child, long request,
 	 * read the word at location addr in the USER area.
 	 */
 	case PTRACE_PEEKUSR:
-		ret = ptrace_read_user(child, addr,
-				       (unsigned long __user *)data);
+		ret = ptrace_read_user(child, addr, datap);
 		break;
 
 	/*
@@ -661,11 +661,11 @@ arch_ptrace(struct task_struct *child, long request,
 		break;
 
 	case PTRACE_GETREGS:
-		ret = ptrace_getregs(child, (void __user *)data);
+		ret = ptrace_getregs(child, datap);
 		break;
 
 	case PTRACE_SETREGS:
-		ret = ptrace_setregs(child, (void __user *)data);
+		ret = ptrace_setregs(child, datap);
 		break;
 
 	default:
-- 
1.7.2.2

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