On Thu, Sep 09, 2021 at 01:45:47PM +0800, Linyu Yuan wrote:
> change device release function to clear gadget pointer.
That does not properly describe what and why this change is needed.
>
> Signed-off-by: Linyu Yuan <quic_linyyuan@xxxxxxxxxxx>
> ---
> drivers/usb/dwc3/gadget.c | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
> index 804b505..e2ab5f6 100644
> --- a/drivers/usb/dwc3/gadget.c
> +++ b/drivers/usb/dwc3/gadget.c
> @@ -4188,9 +4188,10 @@ static int dwc3_gadget_get_irq(struct dwc3 *dwc)
>
> static void dwc_gadget_release(struct device *dev)
> {
> - struct usb_gadget *gadget = container_of(dev, struct usb_gadget, dev);
> + struct dwc3 *dwc = dev_get_platdata(dev);
Are you sure this is the same?
>
> - kfree(gadget);
> + kfree(dwc->gadget);
> + dwc->gadget = NULL;
Why set this to NULL? Who cares about this now? What changed to make
it required?
thanks,
greg k-h
