From 5ef45079dd9c8f2e9c7aa788dc3121835ae52863 Mon Sep 17 00:00:00 2001
From: Namhyung Kim <namhyung@gmail.com>
Date: Wed, 27 Oct 2010 15:34:06 -0700
Subject: [PATCH] ptrace: cleanup arch_ptrace() on xtensa
Use new 'datap' variable in order to remove unnecessary castings.
Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Cc: Chris Zankel <chris@zankel.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
arch/xtensa/kernel/ptrace.c | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/arch/xtensa/kernel/ptrace.c b/arch/xtensa/kernel/ptrace.c
index af9ba80f254c..c72c9473ef99 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:
--
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