[PATCH] mpc832x_rdb: fix of_irq_to_resource() error check

[Scott Wood]

On Mon, 2017-07-31 at 20:04 +1000, Michael Ellerman wrote:
> Scott Wood <oss at buserror.net> writes:
> 
> > On Sat, 2017-07-29 at 22:52 +0300, Sergei Shtylyov wrote:
> > > of_irq_to_resource() has recently been  fixed to return negative error
> > > #'s
> > > along with 0 in case of failure,  however the Freescale MPC832x RDB
> > > board
> > > code still only regards 0 as as failure indication -- fix it up.
> > > 
> > > Fixes: 7a4228bbff76 ("of: irq: use of_irq_get() in
> > > of_irq_to_resource()")
> > > Signed-off-by: Sergei Shtylyov <sergei.shtylyov at cogentembedded.com>
> > > 
> > > ---
> > > The patch is against the 'master' branch of Scott Wood's 'linux.git'
> > > repo
> > > (the 'fixes' branch is too much behind).
> > 
> > The master branch is also old.  Those branches are only used when needed
> > to
> > apply patches; I don't update them just to sync up.  If they're older than
> > what's in Michael's or Linus's tree (as they almost always are), then use
> > those instead.
> > 
> > Not that I expect it to make a difference to this patch...
> 
> Do you want me to grab this as a fix for 4.13 ?

Sure:
Acked-by: Scott Wood <oss at buserror.net>

-Scott