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exit signals: use of uninitialized field notify_count
task->signal->notify_count is only initialized if task->signal->group_exit_task is not NULL. Reorder a conditional so that uninitialised memory is not used. Found by Valgrind. Signed-off-by: Steve VanDeBogart <vandebo-lkml@nerdbox.net> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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@ -918,8 +918,8 @@ static void exit_notify(struct task_struct *tsk, int group_dead)
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/* mt-exec, de_thread() is waiting for us */
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if (thread_group_leader(tsk) &&
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tsk->signal->notify_count < 0 &&
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tsk->signal->group_exit_task)
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tsk->signal->group_exit_task &&
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tsk->signal->notify_count < 0)
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wake_up_process(tsk->signal->group_exit_task);
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write_unlock_irq(&tasklist_lock);
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