move_mount(): filename_lookup() accepts ERR_PTR() as filename

no need to check it in the caller

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

diff --git a/fs/namespace.c b/fs/namespace.c
index c58674a20cad54a9d015cbea1928d7725c8b07cf..9d0d8ed162647b7378e6a3dba75ae1f76e7aee0d 100644 (file)
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -4427,9 +4427,6 @@ SYSCALL_DEFINE5(move_mount,
                uflags = AT_EMPTY_PATH;
 
        to_name = getname_maybe_null(to_pathname, uflags);
-       if (IS_ERR(to_name))
-               return PTR_ERR(to_name);
-
        if (!to_name && to_dfd >= 0) {
                CLASS(fd_raw, f_to)(to_dfd);
                if (fd_empty(f_to))
@@ -4453,9 +4450,6 @@ SYSCALL_DEFINE5(move_mount,
                uflags = AT_EMPTY_PATH;
 
        from_name = getname_maybe_null(from_pathname, uflags);
-       if (IS_ERR(from_name))
-               return PTR_ERR(from_name);
-
        if (!from_name && from_dfd >= 0) {
                CLASS(fd_raw, f_from)(from_dfd);
                if (fd_empty(f_from))