lkml.org 
[lkml]   [2010]   [Aug]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[RFC PATCH 29/43] ptrace, mn10300: cleanup arch_ptrace()
Date
use new 'datap' variable in order to remove unnecessary castings.

Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Koichi Yasutake <yasutake.koichi@jp.panasonic.com>
---
arch/mn10300/kernel/ptrace.c | 11 ++++++-----
1 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/arch/mn10300/kernel/ptrace.c b/arch/mn10300/kernel/ptrace.c
index 4261810..5c0b07e 100644
--- a/arch/mn10300/kernel/ptrace.c
+++ b/arch/mn10300/kernel/ptrace.c
@@ -300,6 +300,7 @@ long arch_ptrace(struct task_struct *child, long request,
{
unsigned long tmp;
int ret;
+ unsigned long __user *datap = (unsigned long __user *) data;

switch (request) {
/* read the word at location addr in the USER area. */
@@ -312,7 +313,7 @@ long arch_ptrace(struct task_struct *child, long request,
if (addr < NR_PTREGS << 2)
tmp = get_stack_long(child,
ptrace_regid_to_frame[addr]);
- ret = put_user(tmp, (unsigned long *) data);
+ ret = put_user(tmp, datap);
break;

/* write the word at location addr in the USER area */
@@ -331,25 +332,25 @@ long arch_ptrace(struct task_struct *child, long request,
return copy_regset_to_user(child, &user_mn10300_native_view,
REGSET_GENERAL,
0, NR_PTREGS * sizeof(long),
- (void __user *)data);
+ datap);

case PTRACE_SETREGS: /* Set all integer regs in the child. */
return copy_regset_from_user(child, &user_mn10300_native_view,
REGSET_GENERAL,
0, NR_PTREGS * sizeof(long),
- (const void __user *)data);
+ datap);

case PTRACE_GETFPREGS: /* Get the child FPU state. */
return copy_regset_to_user(child, &user_mn10300_native_view,
REGSET_FPU,
0, sizeof(struct fpu_state_struct),
- (void __user *)data);
+ datap);

case PTRACE_SETFPREGS: /* Set the child FPU state. */
return copy_regset_from_user(child, &user_mn10300_native_view,
REGSET_FPU,
0, sizeof(struct fpu_state_struct),
- (const void __user *)data);
+ datap);

default:
ret = ptrace_request(child, request, addr, data);
--
1.7.2.2


\
 
 \ /
  Last update: 2010-08-27 11:49    [W:0.222 / U:33.052 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site