Re: [PATCH 18/20] staging/lustre/libcfs: get rid of debugfs/lnet/debug_mb

Greg Kroah-Hartman
2015-07-14T03:04:12Z

On Mon, Jul 13, 2015 at 10:45:36PM -0400, Oleg Drokin wrote:
>
> On Jul 13, 2015, at 10:43 PM, Greg Kroah-Hartman wrote:
>
> > On Wed, Jul 08, 2015 at 11:45:59AM +0300, Dan Carpenter wrote:
> >> On Mon, Jul 06, 2015 at 12:48:56PM -0400, green@linuxhacker.ru wrote:
> >>> +static int libcfs_param_debug_mb_set(const char *val,
> >>> + const struct kernel_param *kp)
> >>> +{
> >>> + int rc;
> >>> + unsigned num;
> >>> +
> >>> + rc = kstrtouint(val, 0, &num);
> >>> + if (rc == -EINVAL)
> >>> + return -EINVAL;
> >>
> >> Presumably, this is root only so using num uninitialized is not an
> >> information leak.
> >
> > But it's not good, this should be a check for rc < 0 to make sure.
> >
> > Oleg, can you send a follow-on patch to fix this up?
>
> Sure.
> Do you want it now or should I wait till you merge my previous bunch?

I already merged your previous bunch :)