1 files changed, 4 insertions, 5 deletions

diff --git a/kernel/fork.c b/kernel/fork.c
index 8e88b374cee9..fbea12d7a943 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1123,8 +1123,8 @@ static task_t *copy_process(unsigned long clone_flags,
                 p->real_parent = current;
         p->parent = p->real_parent;
 
+        spin_lock(&current->sighand->siglock);
         if (clone_flags & CLONE_THREAD) {
-                spin_lock(&current->sighand->siglock);
                 /*
                  * Important: if an exit-all has been started then
                  * do not create this new thread - the whole thread
@@ -1162,8 +1162,6 @@ static task_t *copy_process(unsigned long clone_flags,
                          */
                         p->it_prof_expires = jiffies_to_cputime(1);
                 }
-
-                spin_unlock(&current->sighand->siglock);
         }
 
         /*
@@ -1175,8 +1173,6 @@ static task_t *copy_process(unsigned long clone_flags,
         if (unlikely(p->ptrace & PT_PTRACED))
                 __ptrace_link(p, current->parent);
 
-        attach_pid(p, PIDTYPE_PID, p->pid);
-        attach_pid(p, PIDTYPE_TGID, p->tgid);
         if (thread_group_leader(p)) {
                 p->signal->tty = current->signal->tty;
                 p->signal->pgrp = process_group(current);
@@ -1186,9 +1182,12 @@ static task_t *copy_process(unsigned long clone_flags,
                 if (p->pid)
                         __get_cpu_var(process_counts)++;
         }
+        attach_pid(p, PIDTYPE_TGID, p->tgid);
+        attach_pid(p, PIDTYPE_PID, p->pid);
 
         nr_threads++;
         total_forks++;
+        spin_unlock(&current->sighand->siglock);
         write_unlock_irq(&tasklist_lock);
         proc_fork_connector(p);
         return p;