[PATCH] keys: Permit key expiry time to be set

Add a new keyctl function that allows the expiry time to be set on a key or
removed from a key, provided the caller has attribute modification access.

Signed-off-by: David Howells <dhowells@redhat.com>
Cc: Trond Myklebust <trond.myklebust@fys.uio.no>
Cc: Alexander Zangerl <az@bond.edu.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/linux/keyctl.h b/include/linux/keyctl.h
index 8d7c59a..ec8f3d6 100644
--- a/include/linux/keyctl.h
+++ b/include/linux/keyctl.h
@@ -46,5 +46,6 @@
 #define KEYCTL_INSTANTIATE		12	/* instantiate a partially constructed key */
 #define KEYCTL_NEGATE			13	/* negate a partially constructed key */
 #define KEYCTL_SET_REQKEY_KEYRING	14	/* set default request-key keyring */
+#define KEYCTL_SET_TIMEOUT		15	/* set key timeout */
 
 #endif /*  _LINUX_KEYCTL_H */