You have missed reading the instructions in /usr/src/linux/README.
This tells you that you need a "-p0" flag to patch.
Alternatively, use <plug>/usr/src/linux/scripts/patch-kernel</plug>,
which does it all for you (again, mentioned in README).
-- `O O' | Nick.Holloway@alfie.demon.co.uk http://www.alfie.demon.co.uk/ // ^ \\ | Nick.Holloway@parallax.co.uk http://www.parallax.co.uk/~alfie/