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authorNamhyung Kim <namhyung@gmail.com>2010-10-27 15:33:48 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-27 18:03:10 -0700
commitb640a0d192265c47bbf60951115bdb59d2c017d1 (patch)
treea57d05fbd46cf1b1e4146227ad9e23b9fbd56af0 /arch/arm/kernel
parenteb5a3699311ba8ed22b7b38ceb3bb1411e438e2a (diff)
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>
Diffstat (limited to 'arch/arm/kernel')
-rw-r--r--arch/arm/kernel/ptrace.c25
1 files changed, 13 insertions, 12 deletions
diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c
index 9bca6165459e..3e97483abcf0 100644
--- a/arch/arm/kernel/ptrace.c
+++ b/arch/arm/kernel/ptrace.c
@@ -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