On Thu, Apr 01, 2021 at 05:09:31PM +0800, Xie Yongji wrote:
> Export receive_fd() so that some modules can use
> it to pass file descriptor across processes without
> missing any security stuffs.
>
> Signed-off-by: Xie Yongji <xieyon...@bytedance.com>
> ---
> 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 56986e55befa..2a80c6c3e147 100644
> --- a/fs/file.c
> +++ b/fs/file.c
> @@ -1107,6 +1107,12 @@ 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);
> +}
> +EXPORT_SYMBOL(receive_fd);
What module uses this?
And why not EXPORT_SYMBOL_GPL()?
thanks,
greg k-h
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