diff options
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/kernel/ptrace/ptrace.c | 18 |
1 files changed, 4 insertions, 14 deletions
diff --git a/arch/powerpc/kernel/ptrace/ptrace.c b/arch/powerpc/kernel/ptrace/ptrace.c index f6e51be47c6e..51557a9c0765 100644 --- a/arch/powerpc/kernel/ptrace/ptrace.c +++ b/arch/powerpc/kernel/ptrace/ptrace.c @@ -55,14 +55,9 @@ long arch_ptrace(struct task_struct *child, long request, ret = -EIO; /* convert to index and check */ -#ifdef CONFIG_PPC32 - index = addr >> 2; - if ((addr & 3) || (index > PT_FPSCR) + index = addr / sizeof(long); + if ((addr & (sizeof(long) - 1)) || (index > PT_FPSCR) || (child->thread.regs == NULL)) -#else - index = addr >> 3; - if ((addr & 7) || (index > PT_FPSCR)) -#endif break; CHECK_FULL_REGS(child->thread.regs); @@ -90,14 +85,9 @@ long arch_ptrace(struct task_struct *child, long request, ret = -EIO; /* convert to index and check */ -#ifdef CONFIG_PPC32 - index = addr >> 2; - if ((addr & 3) || (index > PT_FPSCR) + index = addr / sizeof(long); + if ((addr & (sizeof(long) - 1)) || (index > PT_FPSCR) || (child->thread.regs == NULL)) -#else - index = addr >> 3; - if ((addr & 7) || (index > PT_FPSCR)) -#endif break; CHECK_FULL_REGS(child->thread.regs); |