This is the drivers/char/ part of the big kfree cleanup patch.

Remove pointless checks for NULL prior to calling kfree() in drivers/char/.
Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>