On Sat, Jul 14, 2018 at 8:58 AM Todd Poynor <toddpoy...@gmail.com> wrote:
>
> From: Todd Poynor <toddpoy...@google.com>
>
> Always allow root to open device for writing.
>
> Drop special-casing of ioctl permissions for root vs. owner.
>
> Reported-by: Dmitry Torokhov <d...@chromium.org>
> Signed-off-by: Zhongze Hu <fran...@chromium.org>
> Signed-off-by: Todd Poynor <toddpoy...@google.com>

I think this patch is good as is, but as a followup you should create
a patch that supports user namespaces, i.e. replaces
capable(CAP_SYS_ADMIN) with ns_capable(...) in gasket_open() so you
can allow containers to control the device, if necessary.

Reviewed-by: Dmitry Torokhov <d...@chromium.org>

Thanks,
Dmitry
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