Re: [PATCH] mfd: (max8997) Handle the potential error formfd_add_devices

From: Lee Jones
Date: Mon Dec 16 2013 - 08:46:45 EST


The $SUBJECT line is wrong. To see how a subsystem usually formats
theirs you must do something like `git log --oneline -- <subsystem>`.
And duplicate the format.

Commit message?

> Signed-off-by: Laszlo Papp <lpapp@xxxxxxx>
> ---
> drivers/mfd/max8997.c | 10 +++++-----
> 1 file changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/mfd/max8997.c b/drivers/mfd/max8997.c
> index 791aea3..c7cc235 100644
> --- a/drivers/mfd/max8997.c
> +++ b/drivers/mfd/max8997.c
> @@ -227,19 +227,19 @@ static int max8997_i2c_probe(struct i2c_client *i2c,
> pm_runtime_set_active(max8997->dev);
>
> max8997_irq_init(max8997);
> -
> - mfd_add_devices(max8997->dev, -1, max8997_devs,
> + ret = mfd_add_devices(max8997->dev, -1, max8997_devs,
> ARRAY_SIZE(max8997_devs),
> NULL, 0, NULL);
> + if (ret < 0) {
> + dev_err(dev, "cannot add mfd cells\n");
> + goto err_mfd;
> + }

Have you tested this patch on h/w? Did you even compile it?

> /*
> * TODO: enable others (flash, muic, rtc, battery, ...) and
> * check the return value
> */
>
> - if (ret < 0)
> - goto err_mfd;
> -
> /* MAX8997 has a power button input. */
> device_init_wakeup(max8997->dev, pdata->wakeup);
>

--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org â Open source software for ARM SoCs
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