Multiple calls to disable an IRQ would have caused the driver to dereference a poisoned list item. This re-initializes the list to allow multiple requests to disable the irq. Signed-off-by: Keith Busch <keith.busch@xxxxxxxxx> --- v1 -> v2: Used the patch with the correct macro arch/x86/pci/vmd.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/pci/vmd.c b/arch/x86/pci/vmd.c index b1662bf..3519a15 100644 --- a/arch/x86/pci/vmd.c +++ b/arch/x86/pci/vmd.c @@ -135,6 +135,7 @@ static void vmd_irq_disable(struct irq_data *data) raw_spin_lock(&list_lock); list_del_rcu(&vmdirq->node); + INIT_LIST_HEAD_RCU(&vmdirq->node); raw_spin_unlock(&list_lock); } -- 2.7.2 -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html