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| author | David Howells <dhowells@redhat.com> | 2008-04-29 01:01:34 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-29 08:06:17 -0700 |
| commit | 7249db2c281ac688977ecc6862cdee9969d310e2 (patch) | |
| tree | 7d0c42af5c2cb3724fd18aa3aff8de3c827bfe77 /include/linux/key.h | |
| parent | fdb89bce6c9ccb17dae13ec43a25d2fdd405233f (diff) | |
| download | linux-7249db2c281ac688977ecc6862cdee9969d310e2.tar.gz linux-7249db2c281ac688977ecc6862cdee9969d310e2.tar.bz2 linux-7249db2c281ac688977ecc6862cdee9969d310e2.zip | |
keys: make key_serial() a function if CONFIG_KEYS=y
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>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/key.h')
| -rw-r--r-- | 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 ad02d9cfe170..c45c962d1cc5 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[]; |