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

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Message-Id: <1282902149-12991-44-git-send-email-namhyung@gmail.com>
Date:	Fri, 27 Aug 2010 18:42:29 +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, Chris Zankel <chris@...kel.net>
Subject: [RFC PATCH 43/43] ptrace, xtensa: cleanup arch_ptrace()

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

Signed-off-by: Namhyung Kim <namhyung@...il.com>
Cc: Chris Zankel <chris@...kel.net>
---
 arch/xtensa/kernel/ptrace.c |   11 ++++++-----
 1 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/arch/xtensa/kernel/ptrace.c b/arch/xtensa/kernel/ptrace.c
index af9ba80..c72c947 100644
--- a/arch/xtensa/kernel/ptrace.c
+++ b/arch/xtensa/kernel/ptrace.c
@@ -260,6 +260,7 @@ long arch_ptrace(struct task_struct *child, long request,
 		 unsigned long addr, unsigned long data)
 {
 	int ret = -EPERM;
+	void __user *datap = (void __user *) data;
 
 	switch (request) {
 	case PTRACE_PEEKTEXT:	/* read word at location addr. */
@@ -268,7 +269,7 @@ long arch_ptrace(struct task_struct *child, long request,
 		break;
 
 	case PTRACE_PEEKUSR:	/* read register specified by addr. */
-		ret = ptrace_peekusr(child, addr, (void __user *) data);
+		ret = ptrace_peekusr(child, addr, datap);
 		break;
 
 	case PTRACE_POKETEXT:	/* write the word at location addr. */
@@ -281,19 +282,19 @@ long 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;
 
 	case PTRACE_GETXTREGS:
-		ret = ptrace_getxregs(child, (void __user *) data);
+		ret = ptrace_getxregs(child, datap);
 		break;
 
 	case PTRACE_SETXTREGS:
-		ret = ptrace_setxregs(child, (void __user *) data);
+		ret = ptrace_setxregs(child, datap);
 		break;
 
 	default:
-- 
1.7.2.2

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