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| author | Jiasheng Jiang <jiasheng@iscas.ac.cn> | 2022-02-24 05:23:31 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-04-20 10:06:35 +0300 |
| commit | a0063c082af0a1d838c264965d4c2d1f65d9a30c (patch) | |
| tree | 51faa2ffb0b6545ebf06dd5420dd08339a49e319 /drivers/mfd | |
| parent | 23d741b4903e2b81270e7c2ed327aa61d1b59304 (diff) | |
| download | linux-a0063c082af0a1d838c264965d4c2d1f65d9a30c.tar.xz | |
mfd: mc13xxx: Add check for mc13xxx_irq_request
[ Upstream commit e477e51a41cb5d6034f3c5ea85a71ad4613996b9 ]
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: 8e00593557c3 ("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>
Diffstat (limited to 'drivers/mfd')
| -rw-r--r-- | drivers/mfd/mc13xxx-core.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/mfd/mc13xxx-core.c b/drivers/mfd/mc13xxx-core.c index 75d52034f89d..5b4faebdcae2 100644 --- a/drivers/mfd/mc13xxx-core.c +++ b/drivers/mfd/mc13xxx-core.c @@ -313,8 +313,10 @@ 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); |