ptrace: cleanup arch_ptrace() on ARM
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>
diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c
index 9bca616..3e97483 100644
--- a/arch/arm/kernel/ptrace.c
+++ b/arch/arm/kernel/ptrace.c
@@ -1079,10 +1079,11 @@
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 @@
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 @@
#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