Unverified Commit 02e03c4d authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!6756 vfio/fsl-mc: Block calling interrupt handler without trigger 

Merge Pull Request from: @ci-robot 
 
PR sync from: Lin Yujun <linyujun809@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/IVMLTMITGEI26I5WHXQXWJLVHOKJA4DD/ 
 
https://gitee.com/src-openeuler/kernel/issues/I9E6TH 
 
Link:https://gitee.com/openeuler/kernel/pulls/6756

 

Reviewed-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
Signed-off-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
parents c1a10b94 ae70890b

drivers/vfio/fsl-mc/vfio_fsl_mc_intr.c

+4 −3
Original line number Diff line number Diff line
@@ -142,13 +142,14 @@ static int vfio_fsl_mc_set_irq_trigger(struct vfio_fsl_mc_device *vdev, 
	irq = &vdev->mc_irqs[index];



	if (flags & VFIO_IRQ_SET_DATA_NONE) {

		vfio_fsl_mc_irq_handler(hwirq, irq);

		if (irq->trigger)

			eventfd_signal(irq->trigger, 1);



	} else if (flags & VFIO_IRQ_SET_DATA_BOOL) {

		u8 trigger = *(u8 *)data;



		if (trigger)

			vfio_fsl_mc_irq_handler(hwirq, irq);

		if (trigger && irq->trigger)

			eventfd_signal(irq->trigger, 1);

	}



	return 0;