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Commit d15a0301 authored by K. Y. Srinivasan's avatar K. Y. Srinivasan Committed by Greg Kroah-Hartman
Browse files

Drivers: hv: vmbus: Properly handle child device remove



Handle the case when the device may be removed when the device has no driver
attached to it.

Signed-off-by: default avatarK. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 04653a00
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+9 −6
Original line number Diff line number Diff line
@@ -508,14 +508,17 @@ static int vmbus_probe(struct device *child_device)
 */
static int vmbus_remove(struct device *child_device)
{
	struct hv_driver *drv = drv_to_hv_drv(child_device->driver);
	struct hv_driver *drv;
	struct hv_device *dev = device_to_hv_device(child_device);

	if (child_device->driver) {
		drv = drv_to_hv_drv(child_device->driver);
		if (drv->remove)
			drv->remove(dev);
		else
			pr_err("remove not set for driver %s\n",
				dev_name(child_device));
	}

	return 0;
}