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 <shr@xxxxxx>
Acked-by: Christian Brauner <christian.brauner@xxxxxxxxxx>
---
fs/internal.h | 6 ++++++
fs/namei.c | 10 ++++++++--
2 files changed, 14 insertions(+), 2 deletions(-)
diff --git a/fs/internal.h b/fs/internal.h
index 432ea3ce76ec..afa60757d5f6 100644
--- a/fs/internal.h
+++ b/fs/internal.h
@@ -202,3 +202,9 @@ struct linux_dirent64;
int vfs_getdents(struct file *file, struct linux_dirent64 __user *dirent,
unsigned int count, loff_t *pos);
+
+ /*
+ * fs/namei.c:
+ */
+extern int do_user_path_at_empty(int dfd, struct filename *filename,
+ unsigned int flags, struct path *path);
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;
}
--
2.30.2
