diff options
| -rw-r--r-- | drivers/vfio/cdx/intr.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/vfio/cdx/intr.c b/drivers/vfio/cdx/intr.c index 8f4402cec9c5..c0eed065e8ef 100644 --- a/drivers/vfio/cdx/intr.c +++ b/drivers/vfio/cdx/intr.c @@ -175,6 +175,10 @@ static int vfio_cdx_set_msi_trigger(struct vfio_cdx_device *vdev, return ret; } + /* Ensure MSI is configured before accessing cdx_irqs */ + if (!vdev->config_msi) + return -EINVAL; + for (i = start; i < start + count; i++) { if (!vdev->cdx_irqs[i].trigger) continue; |