diff --git a/drivers/staging/iio/Documentation/iio_utils.h b/drivers/staging/iio/Documentation/iio_utils.h
index 03724246b95a..4dc961ced35e 100644
--- a/drivers/staging/iio/Documentation/iio_utils.h
+++ b/drivers/staging/iio/Documentation/iio_utils.h
@@ -398,7 +398,7 @@ inline int build_channel_array(const char *device_dir,
 	return 0;
 
 error_cleanup_array:
-	for (i = count - 1;  i >= 0; i++)
+	for (i = count - 1;  i >= 0; i--)
 		free((*ci_array)[i].name);
 	free(*ci_array);
 error_close_dir: