Am Dienstag, den 04.04.2017, 13:55 +0200 schrieb Bjørn Mork:
> Oliver Neukum <oneu...@suse.com> writes:
> >
> > Am Montag, den 03.04.2017, 12:48 -0700 schrieb Stephen Hemminger:
> > >
> > > Looks like new warnings in usbnet
> > >
> > >
> > > ** CID 751368: Null pointer dereferences (FORWARD_NULL)
> > > /drivers/net/usb/usbnet.c: 1925 in __usbnet_read_cmd()
> >
> > Hi Stephen,
> >
> > I am afraid I don't see the problem. Yes, we are passing
> > a NULL pointer down, but only if size==0. In that case it
> > is allowed.
> > Could you shed some light on the meaning of the report?
> > I might be overlooking something, but to me it looks
> > like a false positive.
>
> I wonder if the problem is the unvalidated assumption that
> "data == NULL" implies "size == 0".
>
> We don't actually test for "size == 0". Maybe we should?
Yes, I think the test is incorrect. I will change it.
Regards
Oliver
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