diff options
| -rw-r--r-- | arch/powerpc/kernel/ptrace.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c index 7673e986573..2a9fe97e452 100644 --- a/arch/powerpc/kernel/ptrace.c +++ b/arch/powerpc/kernel/ptrace.c @@ -530,15 +530,21 @@ static int gpr32_set(struct task_struct *target, --count; } - if (kbuf) + if (kbuf) { for (; count > 0 && pos <= PT_MAX_PUT_REG; --count) regs[pos++] = *k++; - else + for (; count > 0 && pos < PT_TRAP; --count, ++pos) + ++k; + } else { for (; count > 0 && pos <= PT_MAX_PUT_REG; --count) { if (__get_user(reg, u++)) return -EFAULT; regs[pos++] = reg; } + for (; count > 0 && pos < PT_TRAP; --count, ++pos) + if (__get_user(reg, u++)) + return -EFAULT; + } if (count > 0 && pos == PT_TRAP) { if (kbuf) |