security/ cleanups

This patch contains the following cleanups that are now possible:
- remove the unused security_operations->inode_xattr_getsuffix
- remove the no longer used security_operations->unregister_security
- remove some no longer required exit code
- remove a bunch of no longer used exports

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Acked-by: James Morris <jmorris@namei.org>
Cc: Chris Wright <chrisw@sous-sol.org>
Cc: Stephen Smalley <sds@tycho.nsa.gov>
Cc: Serge Hallyn <serue@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

kernel/capability.c

@@ -17,9 +17,6 @@
 unsigned securebits = SECUREBITS_DEFAULT; /* systemwide security settings */
 kernel_cap_t cap_bset = CAP_INIT_EFF_SET;
 
-EXPORT_SYMBOL(securebits);
-EXPORT_SYMBOL(cap_bset);
-
 /*
  * This lock protects task->cap_* for all tasks including current.
  * Locking rule: acquire this prior to tasklist_lock.
@@ -244,7 +241,6 @@ int __capable(struct task_struct *t, int cap)
 	}
 	return 0;
 }
-EXPORT_SYMBOL(__capable);
 
 int capable(int cap)
 {