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

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. Signed-off-by: Xie Yongji --- drivers/android/binder.c | 4 ++-- 1 file changed, 2 inser

[PATCH 1/2] file: Export receive_fd() to modules

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 --- fs/file.c| 6 ++ include/linux/file.h | 7 +++ 2 files changed, 9 insertions(+), 4 deletions(-) diff --git a/fs

[PATCH 0/2] Export receive_fd() to modules and do some cleanups

ernel.org/linux-fsdevel/20210331080519.172-1-xieyon...@bytedance.com/ [2] https://lore.kernel.org/linux-fsdevel/20210325082209.1067987-2-...@lst.de Xie Yongji (2): file: Export receive_fd() to modules binder: Use receive_fd() to receive file from another process drivers/android/binder.c | 4