The data structures which are set up by key_init() are used by exec().  And
we're using exec() super-early via the hotplug events from
do_basic_setup():driver_init().

So call key_init() directly, prior to driver_init().

Cc: David S. Miller <davem@davemloft.net>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>