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SubjectRe: [PATCH 1/1] rtc: rv3028: check return value
Hello,

On 29/05/2019 15:22:20+0800, Xidong Wang wrote:
> In rv3028_probe(), the return value of devm_regmap_init_i2c() should
> be checked before it is used.
>
> Signed-off-by: Xidong Wang <wangxidong_97@163.com>
> ---
> drivers/rtc/rtc-rv3028.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/rtc/rtc-rv3028.c b/drivers/rtc/rtc-rv3028.c
> index 06884eb..29a8c4e 100644
> --- a/drivers/rtc/rtc-rv3028.c
> +++ b/drivers/rtc/rtc-rv3028.c
> @@ -626,6 +626,10 @@ static int rv3028_probe(struct i2c_client *client)
>
> rv3028->regmap = devm_regmap_init_i2c(client, &regmap_config);
>

Remove that empty line.

> + if (IS_ERR(rv3028->regmap)) {
> + return PTR_ERR(rv3028->regmap);
> + }

Unnecessary braces.

> +
> i2c_set_clientdata(client, rv3028);
>
> ret = regmap_read(rv3028->regmap, RV3028_STATUS, &status);
> --
> 2.7.4
>

--
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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