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mfd: mc13xxx: Add check for mc13xxx_irq_request

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[ Upstream commit e477e51a41 ]

As the potential failure of the devm_request_threaded_irq(),
it should be better to check the return value of the
mc13xxx_irq_request() and return error if fails.

Fixes: 8e00593557 ("mfd: Add mc13892 support to mc13xxx")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20220224022331.3208275-1-jiasheng@iscas.ac.cn
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Jiasheng Jiang
2022-02-24 10:23:31 +08:00
committed by Greg Kroah-Hartman
parent bcf93175ed
commit 6fa8edfc90
1 changed files with 3 additions and 1 deletions
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4
drivers/mfd/mc13xxx-core.c
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@@ -323,8 +323,10 @@ int mc13xxx_adc_do_conversion(struct mc13xxx *mc13xxx, unsigned int mode,
adc1 |= MC13783_ADC1_ATOX;
dev_dbg(mc13xxx->dev, "%s: request irq\n", __func__);
mc13xxx_irq_request(mc13xxx, MC13XXX_IRQ_ADCDONE,
ret = mc13xxx_irq_request(mc13xxx, MC13XXX_IRQ_ADCDONE,
mc13xxx_handler_adcdone, __func__, &adcdone_data);
if (ret)
goto out;
mc13xxx_reg_write(mc13xxx, MC13XXX_ADC0, adc0);
mc13xxx_reg_write(mc13xxx, MC13XXX_ADC1, adc1);