local: Fix reading of empty attributes

This partially reverts 3fa8e97. This commit is from 2014, I have no idea why we wanted -EIO for empty attributes. Maybe I thought that this would never happen. Fixes #1061. Signed-off-by: Paul Cercueil <[email protected]>
analogdevicesinc · Oct 10, 2023 · bacf087 · bacf087
1 parent 4aa6e20
commit bacf087
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/local.c b/local.c
@@ -471,7 +471,7 @@ static ssize_t local_read_dev_attr(const struct iio_device *dev,
 	if (ferror(f))
 		ret = -errno;
 	fclose(f);
-	return ret ? ret : -EIO;
+	return ret;
 }
 
 static ssize_t local_write_dev_attr(const struct iio_device *dev,