diff options
Diffstat (limited to 'security/tomoyo/realpath.h')
| -rw-r--r-- | security/tomoyo/realpath.h | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/security/tomoyo/realpath.h b/security/tomoyo/realpath.h index da4f06ff6f8d..b94cb512adb5 100644 --- a/security/tomoyo/realpath.h +++ b/security/tomoyo/realpath.h @@ -43,7 +43,7 @@ bool tomoyo_memory_ok(void *ptr); * Keep the given name on the RAM. * The RAM is shared, so NEVER try to modify or kfree() the returned name. */ -const struct tomoyo_path_info *tomoyo_save_name(const char *name); +const struct tomoyo_path_info *tomoyo_get_name(const char *name); /* Check for memory usage. */ int tomoyo_read_memory_counter(struct tomoyo_io_buffer *head); @@ -54,4 +54,23 @@ int tomoyo_write_memory_quota(struct tomoyo_io_buffer *head); /* Initialize realpath related code. */ void __init tomoyo_realpath_init(void); +/* + * tomoyo_name_entry is a structure which is used for linking + * "struct tomoyo_path_info" into tomoyo_name_list . + */ +struct tomoyo_name_entry { + struct list_head list; + atomic_t users; + struct tomoyo_path_info entry; +}; + +static inline void tomoyo_put_name(const struct tomoyo_path_info *name) +{ + if (name) { + struct tomoyo_name_entry *ptr = + container_of(name, struct tomoyo_name_entry, entry); + atomic_dec(&ptr->users); + } +} + #endif /* !defined(_SECURITY_TOMOYO_REALPATH_H) */ |