During system boot many probes, etc.  will generate upcalls to userspace
via call_usermodehelper().  This has the effect of calling execve() before
the key subsystem has been initialized, and thus Oopsing on a NULL key_jar
during key_alloc().  Move key_init to security_initcall so that it's called
along with other security initialization routines which have similar
requirements.
Signed-off-by: Chris Wright <chrisw@osdl.org>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>