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@redhat.com Cc: stable@vger.kernel.org Fixes: a7fa7c77cf15 ("vfio/platform: implement IRQ masking/unmasking via an eventfd") Signed-off-by: Alex Williamson alex.williamson@redhat.com --- 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);