From: Dor Laor Date: Sun, 16 Dec 2007 23:35:35 +0200 Subject: [PATCH] Handle module unload Add the device release function. Signed-off-by: Dor Laor Signed-off-by: Rusty Russell --- drivers/virtio/virtio.c | 6 ++++++ drivers/virtio/virtio_pci.c | 6 ++++++ 2 files changed, 12 insertions(+) diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c --- a/drivers/virtio/virtio.c +++ b/drivers/virtio/virtio.c @@ -123,11 +123,17 @@ void unregister_virtio_driver(struct vir } EXPORT_SYMBOL_GPL(unregister_virtio_driver); +static void virtio_device_release(struct device *_d) +{ + pr_debug("%s\n" , __FUNCTION__); +} + int register_virtio_device(struct virtio_device *dev) { int err; dev->dev.bus = &virtio_bus; + dev->dev.release = virtio_device_release; sprintf(dev->dev.bus_id, "%u", dev->index); /* Acknowledge that we've seen the device. */ diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c --- a/drivers/virtio/virtio_pci.c +++ b/drivers/virtio/virtio_pci.c @@ -70,12 +70,18 @@ static struct pci_device_id virtio_pci_i MODULE_DEVICE_TABLE(pci, virtio_pci_id_table); +static void virtio_pci_root_release(struct device *d) +{ + pr_debug("%s\n", __FUNCTION__); +} + /* A PCI device has it's own struct device and so does a virtio device so * we create a place for the virtio devices to show up in sysfs. I think it * would make more sense for virtio to not insist on having it's own device. */ static struct device virtio_pci_root = { .parent = NULL, .bus_id = "virtio-pci", + .release = virtio_pci_root_release, }; /* Unique numbering for devices under the kvm root */