1 files changed, 3 insertions, 5 deletions

diff --git a/kernel/fork.c b/kernel/fork.c
index 158710d22566..e0d0b77343f8 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -171,10 +171,9 @@ static struct task_struct *dup_task_struct(struct task_struct *orig)
                 return NULL;
         }
 
-        *ti = *orig->thread_info;
         *tsk = *orig;
         tsk->thread_info = ti;
-        ti->task = tsk;
+        setup_thread_stack(tsk, orig);
 
         /* One for us, one for whoever does the "release_task()" (usually parent) */
         atomic_set(&tsk->usage,2);
@@ -324,7 +323,6 @@ static struct mm_struct * mm_init(struct mm_struct * mm)
         spin_lock_init(&mm->page_table_lock);
         rwlock_init(&mm->ioctx_list_lock);
         mm->ioctx_list = NULL;
-        mm->default_kioctx = (struct kioctx)INIT_KIOCTX(mm->default_kioctx, *mm);
         mm->free_area_cache = TASK_UNMAPPED_BASE;
         mm->cached_hole_size = ~0UL;
 
@@ -919,7 +917,7 @@ static task_t *copy_process(unsigned long clone_flags,
         if (nr_threads >= max_threads)
                 goto bad_fork_cleanup_count;
 
-        if (!try_module_get(p->thread_info->exec_domain->module))
+        if (!try_module_get(task_thread_info(p)->exec_domain->module))
                 goto bad_fork_cleanup_count;
 
         if (p->binfmt && !try_module_get(p->binfmt->module))
@@ -1180,7 +1178,7 @@ bad_fork_cleanup:
         if (p->binfmt)
                 module_put(p->binfmt->module);
 bad_fork_cleanup_put_domain:
-        module_put(p->thread_info->exec_domain->module);
+        module_put(task_thread_info(p)->exec_domain->module);
 bad_fork_cleanup_count:
         put_group_info(p->group_info);
         atomic_dec(&p->user->processes);