From 7249db2c281ac688977ecc6862cdee9969d310e2 Mon Sep 17 00:00:00 2001 From: David Howells Date: Tue, 29 Apr 2008 01:01:34 -0700 Subject: [PATCH] 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 Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/linux/key.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/include/linux/key.h b/include/linux/key.h index ad02d9cfe17..c45c962d1cc 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[]; -- 2.41.0