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authorAlex Williamson <alex.williamson@redhat.com>2024-03-08 16:05:26 -0700
committerAlex Williamson <alex.williamson@redhat.com>2024-03-11 13:08:52 -0600
commitfcdc0d3d40bc26c105acf8467f7d9018970944ae (patch)
treef8dc61496e0d422b01ff9db62cf81790c36f9b06 /drivers/vfio
parent18c198c96a815c962adc2b9b77909eec0be7df4d (diff)
downloadlwn-fcdc0d3d40bc26c105acf8467f7d9018970944ae.tar.gz
lwn-fcdc0d3d40bc26c105acf8467f7d9018970944ae.zip
vfio/platform: Disable virqfds on cleanup
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") Reviewed-by: Kevin Tian <kevin.tian@intel.com> Reviewed-by: Eric Auger <eric.auger@redhat.com> Link: https://lore.kernel.org/r/20240308230557.805580-6-alex.williamson@redhat.com Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'drivers/vfio')
-rw-r--r--drivers/vfio/platform/vfio_platform_irq.c5
1 files changed, 4 insertions, 1 deletions
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);