Re: [PATCH v10 02/17] file: Export receive_fd() to modules

[Jason Wang]

在 2021/8/3 下午5:01, Yongji Xie 写道:
> On Tue, Aug 3, 2021 at 3:46 PM Jason Wang <jasowang@xxxxxxxxxx> wrote:
> > 在 2021/7/29 下午3:34, Xie Yongji 写道:
> > > Export receive_fd() so that some modules can use
> > > it to pass file descriptor between processes without
> > > missing any security stuffs.
> > >
> > > Signed-off-by: Xie Yongji <xieyongji@xxxxxxxxxxxxx>
> > > ---
> > >    fs/file.c            | 6 ++++++
> > >    include/linux/file.h | 7 +++----
> > >    2 files changed, 9 insertions(+), 4 deletions(-)
> > >
> > > diff --git a/fs/file.c b/fs/file.c
> > > index 86dc9956af32..210e540672aa 100644
> > > --- a/fs/file.c
> > > +++ b/fs/file.c
> > > @@ -1134,6 +1134,12 @@ int receive_fd_replace(int new_fd, struct file *file, unsigned int o_flags)
> > >        return new_fd;
> > >    }
> > >
> > > +int receive_fd(struct file *file, unsigned int o_flags)
> > > +{
> > > +     return __receive_fd(file, NULL, o_flags);
> >
> > Any reason that receive_fd_user() can live in the file.h?
> Since no modules use it.
>
> Thanks,
> Yongji


Ok.


Acked-by: Jason Wang <jasowang@xxxxxxxxxx>


>