filename_lookup(): constify root argument

Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/fs/internal.h b/fs/internal.h
index 38e8aab27bbda37995ac377b1d4c3379a614019d..d7c86d9d94b9deda626939b542e99d5ea93d8be0 100644 (file)
--- a/fs/internal.h
+++ b/fs/internal.h
@@ -53,7 +53,7 @@ extern int finish_clean_context(struct fs_context *fc);
  * namei.c
  */
 extern int filename_lookup(int dfd, struct filename *name, unsigned flags,
-                          struct path *path, struct path *root);
+                          struct path *path, const struct path *root);
 int do_rmdir(int dfd, struct filename *name);
 int do_unlinkat(int dfd, struct filename *name);
 int may_linkat(struct mnt_idmap *idmap, const struct path *link);

diff --git a/fs/namei.c b/fs/namei.c
index cd43ff89fbaa38206db2aec4f097ca119819f92e..869976213b0ca2ecf6d603a4505243d3cf80cae4 100644 (file)
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -2673,7 +2673,7 @@ static int path_lookupat(struct nameidata *nd, unsigned flags, struct path *path
 }
 
 int filename_lookup(int dfd, struct filename *name, unsigned flags,
-                   struct path *path, struct path *root)
+                   struct path *path, const struct path *root)
 {
        int retval;
        struct nameidata nd;