Fix sparse warning
Fixes:
cb442ee1592d2681 (usb: gadget: udc: net2280: Re-enable dynamic debug messages)
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
ep->irqs++;
ep_vdbg(ep->dev, "%s ack ep_stat %08x, req %p\n",
- ep->ep.name, t, req ? &req->req : 0);
+ ep->ep.name, t, req ? &req->req : NULL);
if (!ep->is_in || (ep->dev->quirks & PLX_2280))
writel(t & ~BIT(NAK_OUT_PACKETS), &ep->regs->ep_stat);