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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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