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iio: adc: qcom-spmi-adc5: Verify channel numbers from DT
[linux-2.6-microblaze.git]
/
drivers
/
iio
/
adc
/
qcom-spmi-adc5.c
diff --git
a/drivers/iio/adc/qcom-spmi-adc5.c
b/drivers/iio/adc/qcom-spmi-adc5.c
index
1f9298a
..
f9af6b0
100644
(file)
--- a/
drivers/iio/adc/qcom-spmi-adc5.c
+++ b/
drivers/iio/adc/qcom-spmi-adc5.c
@@
-519,7
+519,8
@@
static int adc5_get_dt_channel_data(struct adc5_chip *adc,
return ret;
}
- if (chan > ADC5_PARALLEL_ISENSE_VBAT_IDATA) {
+ if (chan > ADC5_PARALLEL_ISENSE_VBAT_IDATA ||
+ !data->adc_chans[chan].datasheet_name) {
dev_err(dev, "%s invalid channel number %d\n", name, chan);
return -EINVAL;
}