1 files changed, 9 insertions, 7 deletions

diff --git a/arch/um/kernel/ptrace.c b/arch/um/kernel/ptrace.c
index ffc599bd85c3..ec19fed7c64b 100644
--- a/arch/um/kernel/ptrace.c
+++ b/arch/um/kernel/ptrace.c
@@ -252,13 +252,13 @@ long sys_ptrace(long request, long pid, long addr, long data)
                 break;
 #endif
         case PTRACE_FAULTINFO: {
-                struct ptrace_faultinfo fault;
-
-                fault = ((struct ptrace_faultinfo) 
-                        { .is_write     = child->thread.err,
-                          .addr         = child->thread.cr2 });
-                ret = copy_to_user((unsigned long __user *) data, &fault,
-                                   sizeof(fault));
+                /* Take the info from thread->arch->faultinfo,
+                 * but transfer max. sizeof(struct ptrace_faultinfo).
+                 * On i386, ptrace_faultinfo is smaller!
+                 */
+                ret = copy_to_user((unsigned long __user *) data,
+                                   &child->thread.arch.faultinfo,
+                                   sizeof(struct ptrace_faultinfo));
                 if(ret)
                         break;
                 break;
@@ -269,6 +269,7 @@ long sys_ptrace(long request, long pid, long addr, long data)
                                    sizeof(child->pending.signal));
                 break;
 
+#ifdef PTRACE_LDT
         case PTRACE_LDT: {
                 struct ptrace_ldt ldt;
 
@@ -284,6 +285,7 @@ long sys_ptrace(long request, long pid, long addr, long data)
                 ret = -EIO;
                 break;
         }
+#endif
 #ifdef CONFIG_PROC_MM
         case PTRACE_SWITCH_MM: {
                 struct mm_struct *old = child->mm;