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-rw-r--r--drivers/iio/inkern.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/iio/inkern.c b/drivers/iio/inkern.c
index 21655fd1465c..2800b80ea990 100644
--- a/drivers/iio/inkern.c
+++ b/drivers/iio/inkern.c
@@ -116,8 +116,11 @@ static int __of_iio_simple_xlate(struct iio_dev *indio_dev,
if (!iiospec->args_count)
return 0;
- if (iiospec->args[0] >= indio_dev->num_channels)
+ if (iiospec->args[0] >= indio_dev->num_channels) {
+ dev_err(&indio_dev->dev, "invalid channel index %u\n",
+ iiospec->args[0]);
return -EINVAL;
+ }
return iiospec->args[0];
}