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-rw-r--r--arch/x86_64/kernel/ptrace.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/x86_64/kernel/ptrace.c b/arch/x86_64/kernel/ptrace.c
index addc14af0c56..4326a690a509 100644
--- a/arch/x86_64/kernel/ptrace.c
+++ b/arch/x86_64/kernel/ptrace.c
@@ -536,8 +536,12 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
536 } 536 }
537 ret = 0; 537 ret = 0;
538 for (ui = 0; ui < sizeof(struct user_regs_struct); ui += sizeof(long)) { 538 for (ui = 0; ui < sizeof(struct user_regs_struct); ui += sizeof(long)) {
539 ret |= __get_user(tmp, (unsigned long __user *) data); 539 ret = __get_user(tmp, (unsigned long __user *) data);
540 putreg(child, ui, tmp); 540 if (ret)
541 break;
542 ret = putreg(child, ui, tmp);
543 if (ret)
544 break;
541 data += sizeof(long); 545 data += sizeof(long);
542 } 546 }
543 break; 547 break;