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ptrace: cleanup arch_ptrace() on MIPS 

Use new 'addrp', 'datavp' and 'datalp' variables in order to remove
unnecessary castings.

Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
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 15:33:58 -07:00 committed by Linus Torvalds
parent cfd866f6bd
commit fb671139a2
1 changed files with 11 additions and 11 deletions
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22
arch/mips/kernel/ptrace.c
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@ -259,6 +259,9 @@ long arch_ptrace(struct task_struct *child, long request,
unsigned long addr, unsigned long data)
{
int ret;
void __user *addrp = (void __user *) addr;
void __user *datavp = (void __user *) data;
unsigned long __user *datalp = (void __user *) data;
switch (request) {
/* when I and D space are separate, these will need to be fixed. */
@ -387,7 +390,7 @@ long arch_ptrace(struct task_struct *child, long request,
ret = -EIO;
goto out;
}
ret = put_user(tmp, (unsigned long __user *) data);
ret = put_user(tmp, datalp);
break;
}
@ -479,34 +482,31 @@ long arch_ptrace(struct task_struct *child, long request,
}
case PTRACE_GETREGS:
ret = ptrace_getregs(child, (__s64 __user *) data);
ret = ptrace_getregs(child, datavp);
break;
case PTRACE_SETREGS:
ret = ptrace_setregs(child, (__s64 __user *) data);
ret = ptrace_setregs(child, datavp);
break;
case PTRACE_GETFPREGS:
ret = ptrace_getfpregs(child, (__u32 __user *) data);
ret = ptrace_getfpregs(child, datavp);
break;
case PTRACE_SETFPREGS:
ret = ptrace_setfpregs(child, (__u32 __user *) data);
ret = ptrace_setfpregs(child, datavp);
break;
case PTRACE_GET_THREAD_AREA:
ret = put_user(task_thread_info(child)->tp_value,
(unsigned long __user *) data);
ret = put_user(task_thread_info(child)->tp_value, datalp);
break;
case PTRACE_GET_WATCH_REGS:
ret = ptrace_get_watch_regs(child,
(struct pt_watch_regs __user *) addr);
ret = ptrace_get_watch_regs(child, addrp);
break;
case PTRACE_SET_WATCH_REGS:
ret = ptrace_set_watch_regs(child,
(struct pt_watch_regs __user *) addr);
ret = ptrace_set_watch_regs(child, addrp);
break;
default: