Re: [PATCH] counter: microchip-tcb-capture: check the correct variable

From: Jonathan Cameron
Date: Sat Sep 19 2020 - 11:36:21 EST


On Mon, 27 Jul 2020 08:28:25 -0400
William Breathitt Gray <vilhelm.gray@xxxxxxxxx> wrote:

> On Mon, Jul 27, 2020 at 02:23:16PM +0300, Dan Carpenter wrote:
> > This should be testing "regmap" instead of "priv->regmap". The
> > "priv->regmap" variable is always zero so it's not an error pointer.
> >
> > Fixes: 106b104137fd ("counter: Add microchip TCB capture counter")
> > Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
>
> Acked-by: William Breathitt Gray <vilhelm.gray@xxxxxxxxx>
Seems I applied this one a while back but never replied to this thread.
Sorry about that!

Jonathan

>
> > ---
> > The commit 106b104137fd ("counter: Add microchip TCB capture counter")
> > doesn't use the correct patch prefix. This is a common mistake for the
> > the first commit which adds the driver. There is no kernel wide
> > standard for patch prefixes so it's difficult for people sending fixes
> > to know the correct prefix should be.
> >
> > drivers/counter/microchip-tcb-capture.c | 4 ++--
> > 1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/counter/microchip-tcb-capture.c b/drivers/counter/microchip-tcb-capture.c
> > index f7b7743ddb94..b7b252c5addf 100644
> > --- a/drivers/counter/microchip-tcb-capture.c
> > +++ b/drivers/counter/microchip-tcb-capture.c
> > @@ -320,8 +320,8 @@ static int mchp_tc_probe(struct platform_device *pdev)
> > }
> >
> > regmap = syscon_node_to_regmap(np->parent);
> > - if (IS_ERR(priv->regmap))
> > - return PTR_ERR(priv->regmap);
> > + if (IS_ERR(regmap))
> > + return PTR_ERR(regmap);
> >
> > /* max. channels number is 2 when in QDEC mode */
> > priv->num_channels = of_property_count_u32_elems(np, "reg");
> > --
> > 2.27.0
> >