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Diffstat (limited to 'kernel/fork.c')
-rw-r--r--kernel/fork.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index 8e88b374cee..fbea12d7a94 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;