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>
