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SubjectRe: [PATCH -next] iio: frequency: adf4350: disable reg and clk on error in adf4350_probe()
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On 2021/6/4 0:18, Jonathan Cameron wrote:
> On Tue, 1 Jun 2021 22:26:05 +0800
> Yang Yingliang <yangyingliang@huawei.com> wrote:
>
>> Disable reg and clk when devm_gpiod_get_optional() fails in adf4350_probe().
> Hi.
>
> One small thing. It would be useful if you could check if the bug exists other
> than in next (this one has been their for some time!) If it does, please
> don't add the -next in the patch title (as basically it makes me not worry
> about reading it for a few days :)
>
> Also, make sure to cc the author of the patch in the fixes tag
> +CC Linus
OK

Thanks,
Yang
>
> Obvious enough fix (I hope) that I've applied it to the fixes-togreg branch of
> iio.git and marked for stable.
>
> Thanks,
>
> Jonathan
>
>> Fixes:4a89d2f47ccd ("iio: adf4350: Convert to use GPIO descriptor")
>> Reported-by: Hulk Robot <hulkci@huawei.com>
>> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
>> ---
>> drivers/iio/frequency/adf4350.c | 6 ++++--
>> 1 file changed, 4 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/iio/frequency/adf4350.c b/drivers/iio/frequency/adf4350.c
>> index 1462a6a5bc6d..3d9eba716b69 100644
>> --- a/drivers/iio/frequency/adf4350.c
>> +++ b/drivers/iio/frequency/adf4350.c
>> @@ -563,8 +563,10 @@ static int adf4350_probe(struct spi_device *spi)
>>
>> st->lock_detect_gpiod = devm_gpiod_get_optional(&spi->dev, NULL,
>> GPIOD_IN);
>> - if (IS_ERR(st->lock_detect_gpiod))
>> - return PTR_ERR(st->lock_detect_gpiod);
>> + if (IS_ERR(st->lock_detect_gpiod)) {
>> + ret = PTR_ERR(st->lock_detect_gpiod);
>> + goto error_disable_reg;
>> + }
>>
>> if (pdata->power_up_frequency) {
>> ret = adf4350_set_freq(st, pdata->power_up_frequency);
> .

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