linux-kernel - [2.6 patch] add key_revoke() dummy for KEYS=n

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Message-ID: <20081012041050.GB31153@cs181140183.pp.htv.fi>
Date:	Sun, 12 Oct 2008 07:10:50 +0300
From:	Adrian Bunk <bunk@...nel.org>
To:	David Howells <dhowells@...hat.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, Jeff Layton <jlayton@...hat.com>,
	Steve French <sfrench@...ibm.com>,
	linux-cifs-client@...ts.samba.org
Subject: [2.6 patch] add key_revoke() dummy for KEYS=n

This patch fixes the following build error with CONFIG_KEYS=n, caused by
commit dfd15c46a6c2cafb006183c0c14f07e59eee4ac0
(cifs: explicitly revoke SPNEGO key after session setup):

<--  snip  -->

...
  CC [M]  fs/cifs/sess.o
fs/cifs/sess.c: In function 'CIFS_SessSetup':
fs/cifs/sess.c:628: error: implicit declaration of function 'key_revoke'
make[3]: *** [fs/cifs/sess.o] Error 1

<--  snip  -->


Signed-off-by: Adrian Bunk <bunk@...nel.org>

---

diff --git a/include/linux/key.h b/include/linux/key.h
index c45c962..1b70e35 100644
--- a/include/linux/key.h
+++ b/include/linux/key.h
@@ -299,6 +299,7 @@ extern void key_init(void);
 #define key_validate(k)			0
 #define key_serial(k)			0
 #define key_get(k) 			({ NULL; })
+#define key_revoke(k)			do { } while(0)
 #define key_put(k)			do { } while(0)
 #define key_ref_put(k)			do { } while(0)
 #define make_key_ref(k, p)			({ NULL; })

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