Re: [PATCH 09/10] staging/android: add flags member to sync ioctl structs

Maarten Lankhorst
2016-02-01T08:40:06Z

Op 29-01-16 om 22:20 schreef Gustavo Padovan:
> From: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
>
> Play safe and add flags member to all structs. So we don't need to
> break API or create new IOCTL in the future if new features that requires
> flags arises.
>
This only helps if you reject flags != 0 in the ioctl, else when you extend the abi userspace might initialize it with garbage.

~Maarten