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path: root/drivers/staging/iio/meter/ade7759.c
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Diffstat (limited to 'drivers/staging/iio/meter/ade7759.c')
-rw-r--r--drivers/staging/iio/meter/ade7759.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/staging/iio/meter/ade7759.c b/drivers/staging/iio/meter/ade7759.c
index b3f7e0fa961..eb0a2a98f38 100644
--- a/drivers/staging/iio/meter/ade7759.c
+++ b/drivers/staging/iio/meter/ade7759.c
@@ -385,6 +385,8 @@ static ssize_t ade7759_write_frequency(struct device *dev,
ret = strict_strtol(buf, 10, &val);
if (ret)
return ret;
+ if (val == 0)
+ return -EINVAL;
mutex_lock(&indio_dev->mlock);