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boards: arm: stm32: fix out of bounds access

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Fix an out of bounds access when `CONFIG_SOC_SERIES_STM32F1X` is
enabled.

Signed-off-by: Noah Pendleton <noah.pendleton@gmail.com>
This commit is contained in:
Noah Pendleton 2019-10-08 10:04:12 -04:00 • committed by Maureen Helm
commit d68de09c0f
1 changed files with 5 additions and 1 deletions
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6
drivers/adc/adc_stm32.c
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@ -246,10 +246,14 @@ static int start_read(struct device *dev, const struct adc_sequence *sequence)
case 10:
resolution = table_resolution[2];
break;
#endif
case 12:
resolution = table_resolution[3];
break;
#else
case 12:
resolution = table_resolution[0];
break;
#endif
default:
LOG_ERR("Invalid resolution");
return -EINVAL;