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virtio-pci: do not oops on config change if driver not loaded
[linux-2.6-block.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);
}