Pull sbs into release branch

[pandora-kernel.git] / arch / avr32 / kernel / ptrace.c

diff --git a/arch/avr32/kernel/ptrace.c b/arch/avr32/kernel/ptrace.c
index 8ac74dd..39060cb 100644 (file)
--- a/arch/avr32/kernel/ptrace.c
+++ b/arch/avr32/kernel/ptrace.c
@@ -24,7 +24,7 @@
 
 static struct pt_regs *get_user_regs(struct task_struct *tsk)
 {
-       return (struct pt_regs *)((unsigned long) tsk->thread_info +
+       return (struct pt_regs *)((unsigned long)task_stack_page(tsk) +
                                  THREAD_SIZE - sizeof(struct pt_regs));
 }
 
@@ -153,7 +153,6 @@ static int ptrace_setregs(struct task_struct *tsk, const void __user *uregs)
 
 long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 {
-       unsigned long tmp;
        int ret;
 
        pr_debug("arch_ptrace(%ld, %d, %#lx, %#lx)\n",
@@ -166,11 +165,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
        /* Read the word at location addr in the child process */
        case PTRACE_PEEKTEXT:
        case PTRACE_PEEKDATA:
-               ret = access_process_vm(child, addr, &tmp, sizeof(tmp), 0);
-               if (ret == sizeof(tmp))
-                       ret = put_user(tmp, (unsigned long __user *)data);
-               else
-                       ret = -EIO;
+               ret = generic_ptrace_peekdata(child, addr, data);
                break;
 
        case PTRACE_PEEKUSR:
@@ -181,11 +176,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
        /* Write the word in data at location addr */
        case PTRACE_POKETEXT:
        case PTRACE_POKEDATA:
-               ret = access_process_vm(child, addr, &data, sizeof(data), 1);
-               if (ret == sizeof(data))
-                       ret = 0;
-               else
-                       ret = -EIO;
+               ret = generic_ptrace_pokedata(child, addr, data);
                break;
 
        case PTRACE_POKEUSR: