Re: [PATCH v3] staging: usbip: replace pr_warning() with dev_warn().

[Joe Perches <joe@perches.com>]

On Thu, 2013-06-27 at 10:05 +0530, navin patidar wrote:
> dev_warn() is preferred over pr_warning().
[]
> diff --git a/drivers/staging/usbip/usbip_event.c b/drivers/staging/usbip/usbip_event.c
[]
> @@ -85,7 +87,20 @@ int usbip_start_eh(struct usbip_device *ud)
> 
>  	ud->eh = kthread_run(event_handler_loop, ud, "usbip_eh");
>  	if (IS_ERR(ud->eh)) {
> -		pr_warning("Unable to start control thread\n");
> +		struct device dev;

Don't put a struct device on stack,
just use a struct device *

> +		if (ud->side == USBIP_STUB) {
> +			struct stub_device *sdev;
> +
> +			sdev = container_of(ud, struct stub_device, ud);
> +			dev = sdev->udev->dev;

			dev = &sdev->udev->dev;

> +		} else {
> +			struct vhci_device *vdev;
> +
> +			vdev = container_of(ud, struct vhci_device, ud);
> +			dev = vdev->udev->dev;

			dev = &vdev->udev->dev;
though maybe
			dev = &container_of(udev, struct vhci_device, ud)->udev->dev;
would work too.

> +		}
> +		dev_warn(&dev, "Unable to start control thread\n");

		dev_warn(dev, ...)