1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/char/drm/drm_irq.c b/drivers/char/drm/drm_irq.c
index 8e484d23e12b..41c7020c93ef 100644
--- a/drivers/char/drm/drm_irq.c
+++ b/drivers/char/drm/drm_irq.c
@@ -65,8 +65,8 @@ int drm_irq_by_busid(struct inode *inode, struct file *filp,
                 return -EFAULT;
 
         if ((p.busnum >> 8) != dev->pci_domain ||
-            (p.busnum & 0xff) != dev->pci_bus ||
-            p.devnum != dev->pci_slot || p.funcnum != dev->pci_func)
+            (p.busnum & 0xff) != dev->pdev->bus->number ||
+            p.devnum != PCI_SLOT(dev->pdev->devfn) || p.funcnum != PCI_FUNC(dev->pdev->devfn))
                 return -EINVAL;
 
         p.irq = dev->irq;