7889968e64
Only a successful operation modifies fd fields, but the current documentation wording could be taken to imply that a positive fd value after an ioctl() returns indicates a success. Reword documentation to clarify that the fd is only valid after a successful operation. Signed-off-by: Kent Gibson <warthog618@gmail.com> Reviewed-by: Andy Shevchenko <andy@kernel.org> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>