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path: root/drivers/mfd/mc13xxx-core.c
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Diffstat (limited to 'drivers/mfd/mc13xxx-core.c')
-rw-r--r--drivers/mfd/mc13xxx-core.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/mfd/mc13xxx-core.c b/drivers/mfd/mc13xxx-core.c
index d7f54e492aa6..6c16f170529f 100644
--- a/drivers/mfd/mc13xxx-core.c
+++ b/drivers/mfd/mc13xxx-core.c
@@ -274,7 +274,9 @@ int mc13xxx_adc_do_conversion(struct mc13xxx *mc13xxx, unsigned int mode,
mc13xxx->adcflags |= MC13XXX_ADC_WORKING;
- mc13xxx_reg_read(mc13xxx, MC13XXX_ADC0, &old_adc0);
+ ret = mc13xxx_reg_read(mc13xxx, MC13XXX_ADC0, &old_adc0);
+ if (ret)
+ goto out;
adc0 = MC13XXX_ADC0_ADINC1 | MC13XXX_ADC0_ADINC2;
adc1 = MC13XXX_ADC1_ADEN | MC13XXX_ADC1_ADTRIGIGN | MC13XXX_ADC1_ASC;