[PATCH] Fix race bug in nvme_poll_irqdisable()

[Keith Busch]

On Sat, Mar 07, 2026 at 02:46:36PM -0500, Sungwoo Kim wrote:
> In the following scenario, pdev can be disabled between (1) and (3) by
> (2). This sets pdev->msix_enabled = 0. Then, pci_irq_vector() will
> return MSI-X IRQ(>15) for (1) whereas return INTx IRQ(<=15) for (2).
> This causes IRQ warning because it tries to enable INTx IRQ that has
> never been disabled before.

Thanks, applied to nvme-7.0 with updated commit subject.