Re: [PATCH] usb: gadget: u_serial: Add null pointer check in gserial_resume

[Prashanth K]

> And this seems like a viable option to me, what do you suggest?
>
> gserial_disconnect {
>      spin_lock(static)
>      spin_lock(port)
>      ...
>      gser->ioport = NULL;
>      ...
>      spin_lock(port)
>      spin_unlock(static)
>
> }
>
> gserial_resume {
>      struct gs_port *port = gser->ioport;
>
>      spin_lock(static)
>      if (!port)
	   spin_unlock(static)
>          return
>      spin_lock(port)
>
>      ...
>      spin_unlock(port)
>      spin_unlock(static)
> }
>
> Thanks,
> Prashanth K
Small correction inlined.