ptrace: fix race between ptrace_resume() and wait_task_stopped()

[cascardo/linux.git] / kernel / fork.c

diff --git a/kernel/fork.c b/kernel/fork.c
index cf65139..f2c1e73 100644 (file)
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1279,9 +1279,6 @@ static struct task_struct *copy_process(unsigned long clone_flags,
        if (nr_threads >= max_threads)
                goto bad_fork_cleanup_count;
 
-       if (!try_module_get(task_thread_info(p)->exec_domain->module))
-               goto bad_fork_cleanup_count;
-
        delayacct_tsk_init(p);  /* Must remain after dup_task_struct() */
        p->flags &= ~(PF_SUPERPRIV | PF_WQ_WORKER);
        p->flags |= PF_FORKNOEXEC;
@@ -1590,7 +1587,6 @@ bad_fork_cleanup_threadgroup_lock:
        if (clone_flags & CLONE_THREAD)
                threadgroup_change_end(current);
        delayacct_tsk_free(p);
-       module_put(task_thread_info(p)->exec_domain->module);
 bad_fork_cleanup_count:
        atomic_dec(&p->cred->user->processes);
        exit_creds(p);