X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=include%2Flinux%2Fkey.h;h=6ea4eebd3467b220f19bc5cd6e77214096ca2278;hp=b2bb01719561f0d3de11945a9dba0a78744b8acc;hb=e52e713ec30a31e9a4663d9aebbaae5ec07466a6;hpb=95e14ed7fc4b2db62eb597a70850a0fede48b78a

diff --git a/include/linux/key.h b/include/linux/key.h
index b2bb01719561..6ea4eebd3467 100644
--- a/include/linux/key.h
+++ b/include/linux/key.h
@@ -9,7 +9,7 @@
  * 2 of the License, or (at your option) any later version.
  *
  *
- * See Documentation/keys.txt for information on keys/keyrings.
+ * See Documentation/security/keys.txt for information on keys/keyrings.
  */
 
 #ifndef _LINUX_KEY_H
@@ -276,6 +276,19 @@ static inline key_serial_t key_serial(struct key *key)
 	return key ? key->serial : 0;
 }
 
+/**
+ * key_is_instantiated - Determine if a key has been positively instantiated
+ * @key: The key to check.
+ *
+ * Return true if the specified key has been positively instantiated, false
+ * otherwise.
+ */
+static inline bool key_is_instantiated(const struct key *key)
+{
+	return test_bit(KEY_FLAG_INSTANTIATED, &key->flags) &&
+		!test_bit(KEY_FLAG_NEGATIVE, &key->flags);
+}
+
 #define rcu_dereference_key(KEY)					\
 	(rcu_dereference_protected((KEY)->payload.rcudata,		\
 				   rwsem_is_locked(&((struct key *)(KEY))->sem)))