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[PATCH 07/45] KEYS: Make key_serial() a function if CONFIG_KEYS=y [ver #35]

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From: David Howells
Subject: [PATCH 07/45] KEYS: Make key_serial() a function if CONFIG_KEYS=y [ver #35]
Date: Friday, March 28, 2008 - 7:30 am

Make key_serial() an inline function rather than a macro if CONFIG_KEYS=y.
This prevents double evaluation of the key pointer and also provides better
type checking.

Signed-off-by: David Howells <dhowells@redhat.com>
---

 include/linux/key.h |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)


diff --git a/include/linux/key.h b/include/linux/key.h
index ad02d9c..c45c962 100644
--- a/include/linux/key.h
+++ b/include/linux/key.h
@@ -264,7 +264,10 @@ extern int keyring_add_key(struct key *keyring,
 
 extern struct key *key_lookup(key_serial_t id);
 
-#define key_serial(key) ((key) ? (key)->serial : 0)
+static inline key_serial_t key_serial(struct key *key)
+{
+	return key ? key->serial : 0;
+}
 
 #ifdef CONFIG_SYSCTL
 extern ctl_table key_sysctls[];

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Messages in current thread:
[PATCH 00/45] Permit filesystem local caching [ver #35], David Howells, (Fri Mar 28, 7:30 am)
[PATCH 01/45] KEYS: Increase the payload size when instant ..., David Howells, (Fri Mar 28, 7:30 am)
[PATCH 02/45] KEYS: Check starting keyring as part of sear ..., David Howells, (Fri Mar 28, 7:30 am)
[PATCH 03/45] KEYS: Allow the callout data to be passed as ..., David Howells, (Fri Mar 28, 7:30 am)
[PATCH 04/45] KEYS: Allow clients to set key perms in key_ ..., David Howells, (Fri Mar 28, 7:30 am)
[PATCH 05/45] KEYS: Don't generate user and user session k ..., David Howells, (Fri Mar 28, 7:30 am)
[PATCH 06/45] KEYS: Make the keyring quotas controllable t ..., David Howells, (Fri Mar 28, 7:30 am)
[PATCH 07/45] KEYS: Make key_serial() a function if CONFIG ..., David Howells, (Fri Mar 28, 7:30 am)
[PATCH 08/45] KEYS: Add keyctl function to get a security ..., David Howells, (Fri Mar 28, 7:30 am)
[PATCH 09/45] Security: Change current-&gt;fs[ug]id to curren ..., David Howells, (Fri Mar 28, 7:30 am)
[PATCH 10/45] Security: Separate task security context fro ..., David Howells, (Fri Mar 28, 7:31 am)
[PATCH 11/45] Security: De-embed task security record from ..., David Howells, (Fri Mar 28, 7:31 am)
[PATCH 12/45] Security: Add a kernel_service object class ..., David Howells, (Fri Mar 28, 7:31 am)
[PATCH 13/45] Security: Allow kernel services to override ..., David Howells, (Fri Mar 28, 7:31 am)
[PATCH 14/45] Security: Make NFSD work with detached secur ..., David Howells, (Fri Mar 28, 7:31 am)
[PATCH 15/45] FS-Cache: Release page-&gt;private after failed ..., David Howells, (Fri Mar 28, 7:31 am)
[PATCH 16/45] FS-Cache: Recruit a couple of page flags for ..., David Howells, (Fri Mar 28, 7:31 am)
[PATCH 17/45] FS-Cache: Provide an add_wait_queue_tail() f ..., David Howells, (Fri Mar 28, 7:31 am)
[PATCH 18/45] FS-Cache: Generic filesystem caching facilit ..., David Howells, (Fri Mar 28, 7:31 am)
[PATCH 19/45] Add missing consts to xattr function argumen ..., David Howells, (Fri Mar 28, 7:31 am)
[PATCH 20/45] CacheFiles: Add missing copy_page export for ..., David Howells, (Fri Mar 28, 7:31 am)
[PATCH 21/45] CacheFiles: Be consistent about the use of m ..., David Howells, (Fri Mar 28, 7:31 am)
[PATCH 22/45] CacheFiles: Add a hook to write a single pag ..., David Howells, (Fri Mar 28, 7:32 am)
[PATCH 23/45] CacheFiles: Permit the page lock state to be ..., David Howells, (Fri Mar 28, 7:32 am)
[PATCH 24/45] CacheFiles: Export things for CacheFiles [ve ..., David Howells, (Fri Mar 28, 7:32 am)
[PATCH 25/45] CacheFiles: A cache that backs onto a mounte ..., David Howells, (Fri Mar 28, 7:32 am)
[PATCH 26/45] AFS: Add a MAINTAINERS record for AFS [ver #35], David Howells, (Fri Mar 28, 7:32 am)
[PATCH 27/45] AFS: prevent double cell registration [ver #35], David Howells, (Fri Mar 28, 7:32 am)
[PATCH 28/45] FS-Cache: Make kAFS use FS-Cache [ver #35], David Howells, (Fri Mar 28, 7:32 am)
[PATCH 29/45] NFS: Add comment banners to some NFS functio ..., David Howells, (Fri Mar 28, 7:32 am)
[PATCH 30/45] NFS: Add FS-Cache option bit and debug bit [ ..., David Howells, (Fri Mar 28, 7:32 am)
[PATCH 31/45] NFS: Permit local filesystem caching to be e ..., David Howells, (Fri Mar 28, 7:32 am)
[PATCH 32/45] NFS: Register NFS for caching and retrieve t ..., David Howells, (Fri Mar 28, 7:32 am)
[PATCH 33/45] NFS: Define and create server-level objects ..., David Howells, (Fri Mar 28, 7:33 am)
[PATCH 34/45] NFS: Define and create superblock-level obje ..., David Howells, (Fri Mar 28, 7:33 am)
[PATCH 35/45] NFS: Define and create inode-level cache obj ..., David Howells, (Fri Mar 28, 7:33 am)
[PATCH 36/45] NFS: Use local disk inode cache [ver #35], David Howells, (Fri Mar 28, 7:33 am)
[PATCH 37/45] NFS: Invalidate FsCache page flags when cach ..., David Howells, (Fri Mar 28, 7:33 am)
[PATCH 38/45] NFS: Add some new I/O counters for FS-Cache ..., David Howells, (Fri Mar 28, 7:33 am)
[PATCH 39/45] NFS: FS-Cache page management [ver #35], David Howells, (Fri Mar 28, 7:33 am)
[PATCH 40/45] NFS: Add read context retention for FS-Cache ..., David Howells, (Fri Mar 28, 7:33 am)
[PATCH 41/45] NFS: nfs_readpage_async() needs to be access ..., David Howells, (Fri Mar 28, 7:33 am)
[PATCH 42/45] NFS: Read pages from FS-Cache into an NFS in ..., David Howells, (Fri Mar 28, 7:33 am)
[PATCH 43/45] NFS: Store pages from an NFS inode into a lo ..., David Howells, (Fri Mar 28, 7:33 am)
[PATCH 44/45] NFS: Display local caching state [ver #35], David Howells, (Fri Mar 28, 7:33 am)
[PATCH 45/45] NFS: Add mount options to enable local cachi ..., David Howells, (Fri Mar 28, 7:34 am)
Re: [PATCH 06/45] KEYS: Make the keyring quotas controllab ..., Berthold Cogel, (Tue Apr 1, 8:29 am)