knakahara 4a07d4b0a6 Fix x86's pci_intr_disestablish clean up routine. Pointed out by t-kusaba@IIJ, thanks.
Fix panic on x86 by the following code.
====================
    sc_ih = pci_intr_establish_xname(sc_pc, ...);
    pci_intr_disestablish(sc_pc, sc_ih);
    sc_ih = pci_intr_establish(sc_pc, ...);
====================
ena(4) do such processing when ifconfig down/up.

XXX pullup-8,9
2021-02-19 05:34:37 +00:00
..