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iio: adc: Add check for devm_request_threaded_irq

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[ Upstream commit b30537a4cedcacf0ade2f33ebb7610178ed1e7d7 ]

As the potential failure of the devm_request_threaded_irq(),
it should be better to check the return value and return
error if fails.

Fixes: fa659a40b8 ("iio: adc: twl6030-gpadc: Use devm_* API family")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Link: https://lore.kernel.org/r/20220224062849.3280966-1-jiasheng@iscas.ac.cn
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Jiasheng Jiang 2022-02-24 14:28:49 +08:00 committed by Greg Kroah-Hartman
parent 1da082f728
commit 546604de8a
1 changed files with 2 additions and 0 deletions
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2
drivers/iio/adc/twl6030-gpadc.c
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@ -911,6 +911,8 @@ static int twl6030_gpadc_probe(struct platform_device *pdev)
ret = devm_request_threaded_irq(dev, irq, NULL, ret = devm_request_threaded_irq(dev, irq, NULL,
twl6030_gpadc_irq_handler, twl6030_gpadc_irq_handler,
IRQF_ONESHOT, "twl6030_gpadc", indio_dev); IRQF_ONESHOT, "twl6030_gpadc", indio_dev);
if (ret)
return ret;
ret = twl6030_gpadc_enable_irq(TWL6030_GPADC_RT_SW1_EOC_MASK); ret = twl6030_gpadc_enable_irq(TWL6030_GPADC_RT_SW1_EOC_MASK);
if (ret < 0) { if (ret < 0) {