On 12/09/2024 10:54, Dan Carpenter wrote: > The __get_dwc3_maximum_speed() function returns an enum type which, in > this context here, is basically unsigned int. On error cases, it's > supposed to return USB_SPEED_UNKNOWN, but it was accidentally changed to > return negative error codes in commit f93e96c544ca ("usb: dwc3: rtk: use > scoped device node handling to simplify error paths"). > > There is only one caller and because of the way that the types work out, > returning negative error codes is not a problem. They will be treated > as greater than USB_SPEED_HIGH and ignored as invalid. So this patch > does not affect run time behavior, it's just a clean up. > > Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> Fixes: f93e96c544ca ("usb: dwc3: rtk: use scoped device node handling to simplify error paths") Reviewed-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx> Best regards, Krzysztof