[PATCH 2/2] binder: Use receive_fd() to receive file from another process

[Greg KH]

On Thu, Apr 01, 2021 at 06:12:51PM +0800, Yongji Xie wrote:
> On Thu, Apr 1, 2021 at 5:54 PM Greg KH <gregkh at linuxfoundation.org> wrote:
> >
> > On Thu, Apr 01, 2021 at 05:09:32PM +0800, Xie Yongji wrote:
> > > Use receive_fd() to receive file from another process instead of
> > > combination of get_unused_fd_flags() and fd_install(). This simplifies
> > > the logic and also makes sure we don't miss any security stuff.
> >
> > But no logic is simplified here, and nothing is "missed", so I do not
> > understand this change at all.
> >
> 
> I noticed that we have security_binder_transfer_file() when we
> transfer some fds. I'm not sure whether we need something like
> security_file_receive() here?

Why would you?  And where is "here"?

still confused,

greg k-h