irqfds for mask and unmask that are not specifically disabled by the
user are leaked. Remove any irqfds during cleanup
Cc: Eric Auger <eric.auger@xxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Fixes: a7fa7c77cf15 ("vfio/platform: implement IRQ masking/unmasking via an eventfd")
Signed-off-by: Alex Williamson <alex.williamson@xxxxxxxxxx>
---
drivers/vfio/platform/vfio_platform_irq.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/vfio/platform/vfio_platform_irq.c b/drivers/vfio/platform/vfio_platform_irq.c
index 61a1bfb68ac7..e5dcada9e86c 100644
--- a/drivers/vfio/platform/vfio_platform_irq.c
+++ b/drivers/vfio/platform/vfio_platform_irq.c
@@ -321,8 +321,11 @@ void vfio_platform_irq_cleanup(struct vfio_platform_device *vdev)
{
int i;
- for (i = 0; i < vdev->num_irqs; i++)
+ for (i = 0; i < vdev->num_irqs; i++) {
+ vfio_virqfd_disable(&vdev->irqs[i].mask);
+ vfio_virqfd_disable(&vdev->irqs[i].unmask);
vfio_set_trigger(vdev, i, -1, NULL);
+ }
vdev->num_irqs = 0;
kfree(vdev->irqs);
--
2.44.0
