Re: [PATCH v11 11/12] iio: multiplexer: fix unsigned check with less than zero

From: Greg Kroah-Hartman
Date: Mon Mar 27 2017 - 10:05:24 EST


On Mon, Mar 27, 2017 at 03:46:47PM +0200, Peter Rosin wrote:
> On 2017-03-27 15:06, Johan Hovold wrote:
> > On Mon, Mar 27, 2017 at 02:17:48PM +0200, Peter Rosin wrote:
> >> Comparing a size_t with less than zero is always false as size_t
> >> is unsigned. So, change the type of the variable to ssize_t and
> >> replicate the size check from mux_configure_channel() into
> >> mux_write_ext_info() thus ensuring that the size will fit in the
> >> ssize_t variable.
> >>
> >> Detected by CoverityScan, CID#1415278 ("Unsigned compared against 0")
> >>
> >> Fixes: 1da8e16d2812 ("iio: multiplexer: new iio category and iio-mux driver")
> >
> > You should fold this one and the next patch into the patches that they
> > fix up instead fixing stuff that's not yet merged incrementally like you
> > do here (specifically, the SHA id above will have no matching commit).
> >
> > Johan
>
> I forgot about that. And similar for the next patch. But how do you
> propose that I attribute the reporters and CoverityScan? Crap, it
> would have been so much easier if the series was just pulled they
> way I expected it...
>
> Greg, how do you want to play this? Can you perhaps update the fixes
> tag here and in 12/12 if/when you apply the series?

Please fix this up and resend the patches properly.

thanks,

greg k-h