[PATCH v5 1/5] fs: split off do_user_path_at_empty from user_path_at_empty()
From: Stefan Roesch <hidden>
Date: 2021-12-21 16:50:11
Also in:
linux-fsdevel
Subsystem:
filesystems (vfs and infrastructure), the rest · Maintainers:
Alexander Viro, Christian Brauner, Linus Torvalds
This splits off a do_user_path_at_empty function from the user_path_at_empty_function. This is required so it can be called from io_uring. Signed-off-by: Stefan Roesch <redacted> --- fs/namei.c | 10 ++++++++-- include/linux/namei.h | 2 ++ 2 files changed, 10 insertions(+), 2 deletions(-)
diff --git a/fs/namei.c b/fs/namei.c
index 1f9d2187c765..d988e241b32c 100644
--- a/fs/namei.c
+++ b/fs/namei.c@@ -2794,12 +2794,18 @@ int path_pts(struct path *path) } #endif +int do_user_path_at_empty(int dfd, struct filename *filename, unsigned int flags, + struct path *path) +{ + return filename_lookup(dfd, filename, flags, path, NULL); +} + int user_path_at_empty(int dfd, const char __user *name, unsigned flags, - struct path *path, int *empty) + struct path *path, int *empty) { struct filename *filename = getname_flags(name, flags, empty); - int ret = filename_lookup(dfd, filename, flags, path, NULL); + int ret = do_user_path_at_empty(dfd, filename, flags, path); putname(filename); return ret; }
diff --git a/include/linux/namei.h b/include/linux/namei.h
index e89329bb3134..8f3ef38c057b 100644
--- a/include/linux/namei.h
+++ b/include/linux/namei.h@@ -49,6 +49,8 @@ enum {LAST_NORM, LAST_ROOT, LAST_DOT, LAST_DOTDOT}; extern int path_pts(struct path *path); +extern int do_user_path_at_empty(int dfd, struct filename *filename, + unsigned int flags, struct path *path); extern int user_path_at_empty(int, const char __user *, unsigned, struct path *, int *empty); static inline int user_path_at(int dfd, const char __user *name, unsigned flags,
--
2.30.2