usb: dwc3: remove WARN_ON from dwc_stop_active_transfer
Now we are sure that, if res_trans_idx is zero, then endpoint has been stopped. So it's safe to just return if endpoint is already stopped. No need to generate warning anymore. While doing so, it's better to return when res_trans_idx is zero and decrease one level of indentation. Signed-off-by: NPratyush Anand <pratyush.anand@st.com> [ balbi@ti.com: slightly changed commit log ] Signed-off-by: NFelipe Balbi <balbi@ti.com>
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