On Tue, Oct 15, 2019 at 03:12:29PM -0300, Jason Gunthorpe wrote:
> +static void mn_itree_release(struct mmu_notifier_mm *mmn_mm,
> + struct mm_struct *mm)
> +{
> + struct mmu_notifier_range range = {
> + .flags = MMU_NOTIFIER_RANGE_BLOCKABLE,
> + .event = MMU_NOTIFY_RELEASE,
> + .mm = mm,
> + .start = 0,
> + .end = ULONG_MAX,
> + };
> + struct mmu_range_notifier *mrn;
> + unsigned long cur_seq;
> + bool ret;
> +
> + for (mrn = mn_itree_inv_start_range(mmn_mm, &range, &cur_seq); mrn;
> + mrn = mn_itree_inv_next(mrn, &range)) {
> + ret = mrn->ops->invalidate(mrn, &range);
> + WARN_ON(ret);
This should be
WARN_ON(!ret)
Jason
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