RE: [PATCH] usb: dwc3: free dwc->regset on dwc3_debugfs_exit

[Du, Changbin]

> > diff --git a/drivers/usb/dwc3/debugfs.c b/drivers/usb/dwc3/debugfs.c
> > index 9ac37fe..9eeb444 100644
> > --- a/drivers/usb/dwc3/debugfs.c
> > +++ b/drivers/usb/dwc3/debugfs.c
> > @@ -687,4 +687,7 @@ void dwc3_debugfs_exit(struct dwc3 *dwc)
> >  {
> >  	debugfs_remove_recursive(dwc->root);
> >  	dwc->root = NULL;
> > +
> > +	kfree(dwc->regset);
> 
> we also need a kfree() on dwc3_debugfs_init().
This patch is based on the patch set 
[PATCH v3 1/2] usb: dwc3: make dwc3_debugfs_init return value be void> 
So, they do has dependency. :)

> > +	dwc->regset = NULL;
> 
> setting regset to NULL is unnecessary. We only call dwc3_debugfs_exit()
> when removing the driver.
> 
> --
> Balbi
I'd like keep this line even it is unnecessary, because It is a good habit to
Avoid wild pointers. Just like the dwc->root = NULL.

Thanks,
Du, Changbin