[PATCH 2/2] binder: Use receive_fd() to receive file from another process
gregkh at linuxfoundation.org
Thu Apr 1 10:42:15 UTC 2021
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"?
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