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ptrace: cleanup arch_ptrace() on ARM

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

Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Cc: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Namhyung Kim 2010-10-27 15:33:48 -07:00 committed by Linus Torvalds
parent eb5a369931
commit b640a0d192
1 changed files with 13 additions and 12 deletions
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25
arch/arm/kernel/ptrace.c
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@ -1079,10 +1079,11 @@ long 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) {
case PTRACE_PEEKUSR:
ret = ptrace_read_user(child, addr, (unsigned long __user *)data);
ret = ptrace_read_user(child, addr, datap);
break;
case PTRACE_POKEUSR:
@ -1090,34 +1091,34 @@ 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_GETFPREGS:
ret = ptrace_getfpregs(child, (void __user *)data);
ret = ptrace_getfpregs(child, datap);
break;
case PTRACE_SETFPREGS:
ret = ptrace_setfpregs(child, (void __user *)data);
ret = ptrace_setfpregs(child, datap);
break;
#ifdef CONFIG_IWMMXT
case PTRACE_GETWMMXREGS:
ret = ptrace_getwmmxregs(child, (void __user *)data);
ret = ptrace_getwmmxregs(child, datap);
break;
case PTRACE_SETWMMXREGS:
ret = ptrace_setwmmxregs(child, (void __user *)data);
ret = ptrace_setwmmxregs(child, datap);
break;
#endif
case PTRACE_GET_THREAD_AREA:
ret = put_user(task_thread_info(child)->tp_value,
(unsigned long __user *) data);
datap);
break;
case PTRACE_SET_SYSCALL:
@ -1127,21 +1128,21 @@ long arch_ptrace(struct task_struct *child, long request,
#ifdef CONFIG_CRUNCH
case PTRACE_GETCRUNCHREGS:
ret = ptrace_getcrunchregs(child, (void __user *)data);
ret = ptrace_getcrunchregs(child, datap);
break;
case PTRACE_SETCRUNCHREGS:
ret = ptrace_setcrunchregs(child, (void __user *)data);
ret = ptrace_setcrunchregs(child, datap);
break;
#endif
#ifdef CONFIG_VFP
case PTRACE_GETVFPREGS:
ret = ptrace_getvfpregs(child, (void __user *)data);
ret = ptrace_getvfpregs(child, datap);
break;
case PTRACE_SETVFPREGS:
ret = ptrace_setvfpregs(child, (void __user *)data);
ret = ptrace_setvfpregs(child, datap);
break;
#endif