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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

drivers/hv/vmbus_drv.c

+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;

}