ARM: Do early I/O mapping if spinlock debugging is enabled

[linux-2.6-omap-h63xx.git] / drivers / virtio / virtio_pci.c

diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c
index bef6b45e8a5ce4baaa0e1373338d5f02e879bbb0..330aacbdec1f7b48fd2774f19e5788461463f07a 100644 (file)
--- a/drivers/virtio/virtio_pci.c
+++ b/drivers/virtio/virtio_pci.c
@@ -192,7 +192,7 @@ static irqreturn_t vp_interrupt(int irq, void *opaque)
                drv = container_of(vp_dev->vdev.dev.driver,
                                   struct virtio_driver, driver);
 
-               if (drv->config_changed)
+               if (drv && drv->config_changed)
                        drv->config_changed(&vp_dev->vdev);
        }