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    SubjectRe: [PATCH] Fix check after use in kernel/exit.c

    * WANG Cong <xiyou.wangcong@gmail.com> wrote:

    > mm_release won't check the mm_struct pointer, so it should be checked
    > before this call.

    > @@ -582,9 +582,9 @@ static void exit_mm(struct task_struct * tsk)
    > {
    > struct mm_struct *mm = tsk->mm;
    >
    > - mm_release(tsk, mm);
    > if (!mm)
    > return;
    > + mm_release(tsk, mm);

    thanks, applied. I'm wondering why this never seems to hit in practice.

    Ingo


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