Re: [PATCH v2 2/4] Input: omap4-keypad - Fix handling of platform_get_irq() error

From: Dmitry Torokhov
Date: Wed Sep 16 2020 - 02:26:24 EST


On Tue, Sep 15, 2020 at 11:06 PM Krzysztof Kozlowski <krzk@xxxxxxxxxx> wrote:
>
> On Wed, 16 Sep 2020 at 02:54, Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx> wrote:
> >
> > On Fri, Aug 28, 2020 at 04:57:42PM +0200, Krzysztof Kozlowski wrote:
> > > platform_get_irq() returns -ERRNO on error. In such case comparison
> > > to 0 would pass the check.
> > >
> > > Fixes: f3a1ba60dbdb ("Input: omap4-keypad - use platform device helpers")
> > > Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
> > >
> > > ---
> > >
> > > Changes since v1:
> > > 1. None
> > > ---
> > > drivers/input/keyboard/omap4-keypad.c | 6 ++----
> > > 1 file changed, 2 insertions(+), 4 deletions(-)
> > >
> > > diff --git a/drivers/input/keyboard/omap4-keypad.c b/drivers/input/keyboard/omap4-keypad.c
> > > index 94c94d7f5155..b075f1af0305 100644
> > > --- a/drivers/input/keyboard/omap4-keypad.c
> > > +++ b/drivers/input/keyboard/omap4-keypad.c
> > > @@ -240,10 +240,8 @@ static int omap4_keypad_probe(struct platform_device *pdev)
> > > }
> > >
> > > irq = platform_get_irq(pdev, 0);
> > > - if (!irq) {
> > > - dev_err(&pdev->dev, "no keyboard irq assigned\n");
> > > - return -EINVAL;
> > > - }
> > > + if (irq < 0)
> > > + return -irq;
> >
> > You must have meant just "irq", right?
>
> Damn it, of course. I'll send a v2 for this.

It's fine, I can fix it up locally.

Thanks.

--
Dmitry