Re: [PATCH 2/6] input: qt1050: use device_for_each_child_node_scoped()

From: Dmitry Torokhov
Date: Tue Jul 16 2024 - 00:23:57 EST


On Tue, Jul 16, 2024 at 06:17:35AM +0200, Javier Carrasco wrote:
> On 16/07/2024 03:03, Dmitry Torokhov wrote:
> > Hi Javier,
> >
> > On Fri, Apr 12, 2024 at 10:57:31PM +0200, Javier Carrasco wrote:
> >> Switch to the _scoped() version introduced in commit 365130fd47af
> >> ("device property: Introduce device_for_each_child_node_scoped()")
> >> to remove the need for manual calling of fwnode_handle_put() in the
> >> paths where the code exits the loop early.
> >>
> >> In this case the err label was no longer necessary and EINVAL is
> >> returned directly.
> >>
> >> Signed-off-by: Javier Carrasco <javier.carrasco.cruz@xxxxxxxxx>
> >> ---
> >> drivers/input/keyboard/qt1050.c | 12 ++++--------
> >> 1 file changed, 4 insertions(+), 8 deletions(-)
> >>
> >> diff --git a/drivers/input/keyboard/qt1050.c b/drivers/input/keyboard/qt1050.c
> >> index b51dfcd76038..6ac2b9dbdb85 100644
> >> --- a/drivers/input/keyboard/qt1050.c
> >> +++ b/drivers/input/keyboard/qt1050.c
> >> @@ -355,21 +355,21 @@ static int qt1050_parse_fw(struct qt1050_priv *ts)
> >> if (fwnode_property_read_u32(child, "linux,code",
> >> &button.keycode)) {
> >> dev_err(dev, "Button without keycode\n");
> >> - goto err;
> >> + return -EINVAL;
> >
> > It looks like the chunk actually switching to
> > device_for_each_child_node_scoped() is missing from the patch. I added
> > it and applied, thank you.
> >
> > Thanks.
> >
>
>
> Thank your for adding the missing bit. Did you remove the child variable
> at the beginning of the function as well? It will be unused otherwise
> (child is defined in the macro itself).

Yep, I did.

Thanks.

--
Dmitry