Please add this patch to stable 4.14
commit f54450ad1942287cc76b38021c0441fc4901d2de
Author: Kees Cook <keescook@xxxxxxxxxxxx>
Date: Tue Feb 27 13:11:21 2018 -0800
console: Drop added "static" for newport_con
Commit 4fe505119778 ("console: Expand dummy functions for CFI") accidentally
added "static" to newport_con instance of struct consw, while trying to
normalize the declarations. This, however, needed to stay non-static as it
has an extern.
Reported-by: kbuild test robot <fengguang.wu@xxxxxxxxx>
Fixes: 4fe505119778 ("console: Expand dummy functions for CFI")
Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>