Re: [PATCH RESEND] mfd: hi655x-pmic: Fix missing return value check for devm_regmap_init_mmio_clk

From: Axel Lin
Date: Wed Jun 26 2019 - 22:57:39 EST


Hi Chen,

Chen Feng <puck.chen@xxxxxxxxxxxxx> æ 2019å6æ27æ éå äå10:03åéï
>
> Thanks
I assume this is an Ack.
If you can add your Acked-by in the reply, it's easier for maintainer to accept
the patch.

>
> On 2019/6/26 21:30, Axel Lin wrote:
> > Since devm_regmap_init_mmio_clk can fail, add return value checking.
> >
> > Signed-off-by: Axel Lin <axel.lin@xxxxxxxxxx>
> > Acked-by: Chen Feng <puck.chen@xxxxxxxxxxxxx>
> > ---
> > This was sent on https://lkml.org/lkml/2019/3/6/904
> >
> > drivers/mfd/hi655x-pmic.c | 2 ++
> > 1 file changed, 2 insertions(+)
> >
> > diff --git a/drivers/mfd/hi655x-pmic.c b/drivers/mfd/hi655x-pmic.c
> > index 96c07fa1802a..6693f74aa6ab 100644
> > --- a/drivers/mfd/hi655x-pmic.c
> > +++ b/drivers/mfd/hi655x-pmic.c
> > @@ -112,6 +112,8 @@ static int hi655x_pmic_probe(struct platform_device *pdev)
> >
> > pmic->regmap = devm_regmap_init_mmio_clk(dev, NULL, base,
> > &hi655x_regmap_config);
> > + if (IS_ERR(pmic->regmap))
> > + return PTR_ERR(pmic->regmap);
> >
> > regmap_read(pmic->regmap, HI655X_BUS_ADDR(HI655X_VER_REG), &pmic->ver);
> > if ((pmic->ver < PMU_VER_START) || (pmic->ver > PMU_VER_END)) {
> >
>