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Diffstat (limited to 'arch/mips/kernel/ptrace32.c')
-rw-r--r--arch/mips/kernel/ptrace32.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/arch/mips/kernel/ptrace32.c b/arch/mips/kernel/ptrace32.c
index 1f998bf..0c82b25 100644
--- a/arch/mips/kernel/ptrace32.c
+++ b/arch/mips/kernel/ptrace32.c
@@ -126,8 +126,7 @@ asmlinkage int sys32_ptrace(int request, int pid, int addr, int data)
struct pt_regs *regs;
unsigned int tmp;
- regs = (struct pt_regs *) ((unsigned long) child->thread_info +
- THREAD_SIZE - 32 - sizeof(struct pt_regs));
+ regs = task_pt_regs(child);
ret = 0; /* Default return value. */
switch (addr) {
@@ -259,8 +258,7 @@ asmlinkage int sys32_ptrace(int request, int pid, int addr, int data)
case PTRACE_POKEUSR: {
struct pt_regs *regs;
ret = 0;
- regs = (struct pt_regs *) ((unsigned long) child->thread_info +
- THREAD_SIZE - 32 - sizeof(struct pt_regs));
+ regs = task_pt_regs(child);
switch (addr) {
case 0 ... 31:
@@ -377,7 +375,7 @@ asmlinkage int sys32_ptrace(int request, int pid, int addr, int data)
break;
case PTRACE_GET_THREAD_AREA:
- ret = put_user(child->thread_info->tp_value,
+ ret = put_user(task_thread_info(child)->tp_value,
(unsigned int __user *) (unsigned long) data);
break;
@@ -391,7 +389,7 @@ asmlinkage int sys32_ptrace(int request, int pid, int addr, int data)
break;
case PTRACE_GET_THREAD_AREA_3264:
- ret = put_user(child->thread_info->tp_value,
+ ret = put_user(task_thread_info(child)->tp_value,
(unsigned long __user *) (unsigned long) data);
break;
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