usb: dwc3: gadget: use num_trbs when skipping TRBs on ->dequeue()
commit c3acd59014148470dc58519870fbc779785b4bf7 upstream Now that we track how many TRBs a request uses, it's easier to skip over them in case of a call to usb_ep_dequeue(). Let's do so and simplify the code a bit. Cc: Fei Yang <fei.yang@intel.com> Cc: Sam Protsenko <semen.protsenko@linaro.org> Cc: Felipe Balbi <balbi@kernel.org> Cc: linux-usb@vger.kernel.org Cc: stable@vger.kernel.org # 4.19.y Signed-off-by: NFelipe Balbi <felipe.balbi@linux.intel.com> (cherry picked from commit c3acd59014148470dc58519870fbc779785b4bf7) Signed-off-by: NJohn Stultz <john.stultz@linaro.org> Signed-off-by: NSasha Levin <sashal@kernel.org>
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