move_mount(2): switch to CLASS(filename_maybe_null)

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/fs/namespace.c b/fs/namespace.c
index 888df8ee43bccbcd1890c4e492ddaaf836e7dcf7..612757bd166a25970f71e858769c4d0af7590115 100644 (file)
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -4402,8 +4402,6 @@ SYSCALL_DEFINE5(move_mount,
 {
        struct path to_path __free(path_put) = {};
        struct path from_path __free(path_put) = {};
-       struct filename *to_name __free(putname) = NULL;
-       struct filename *from_name __free(putname) = NULL;
        unsigned int lflags, uflags;
        enum mnt_tree_flags_t mflags = 0;
        int ret = 0;
@@ -4425,7 +4423,7 @@ SYSCALL_DEFINE5(move_mount,
        if (flags & MOVE_MOUNT_T_EMPTY_PATH)
                uflags = AT_EMPTY_PATH;
 
-       to_name = getname_maybe_null(to_pathname, uflags);
+       CLASS(filename_maybe_null,to_name)(to_pathname, uflags);
        if (!to_name && to_dfd >= 0) {
                CLASS(fd_raw, f_to)(to_dfd);
                if (fd_empty(f_to))
@@ -4448,7 +4446,7 @@ SYSCALL_DEFINE5(move_mount,
        if (flags & MOVE_MOUNT_F_EMPTY_PATH)
                uflags = AT_EMPTY_PATH;
 
-       from_name = getname_maybe_null(from_pathname, uflags);
+       CLASS(filename_maybe_null,from_name)(from_pathname, uflags);
        if (!from_name && from_dfd >= 0) {
                CLASS(fd_raw, f_from)(from_dfd);
                if (fd_empty(f_from))