diff options
Diffstat (limited to 'security/tomoyo/common.c')
-rw-r--r-- | security/tomoyo/common.c | 41 |
1 files changed, 8 insertions, 33 deletions
diff --git a/security/tomoyo/common.c b/security/tomoyo/common.c index 642e0e565df..e331e699cf5 100644 --- a/security/tomoyo/common.c +++ b/security/tomoyo/common.c @@ -900,9 +900,11 @@ static struct tomoyo_profile *tomoyo_find_or_assign_new_profile(const unsigned ptr = tomoyo_profile_ptr[profile]; if (ptr) goto ok; - ptr = tomoyo_alloc_element(sizeof(*ptr)); - if (!ptr) + ptr = kmalloc(sizeof(*ptr), GFP_KERNEL); + if (!tomoyo_memory_ok(ptr)) { + kfree(ptr); goto ok; + } for (i = 0; i < TOMOYO_MAX_CONTROL_INDEX; i++) ptr->value[i] = tomoyo_control_array[i].current_value; mb(); /* Avoid out-of-order execution. */ @@ -1120,6 +1122,7 @@ static int tomoyo_update_manager_entry(const char *manager, saved_manager = tomoyo_save_name(manager); if (!saved_manager) return -ENOMEM; + new_entry = kmalloc(sizeof(*new_entry), GFP_KERNEL); mutex_lock(&tomoyo_policy_lock); list_for_each_entry_rcu(ptr, &tomoyo_policy_manager_list, list) { if (ptr->manager != saved_manager) @@ -1132,15 +1135,16 @@ static int tomoyo_update_manager_entry(const char *manager, error = -ENOENT; goto out; } - new_entry = tomoyo_alloc_element(sizeof(*new_entry)); - if (!new_entry) + if (!tomoyo_memory_ok(new_entry)) goto out; new_entry->manager = saved_manager; new_entry->is_domain = is_domain; list_add_tail_rcu(&new_entry->list, &tomoyo_policy_manager_list); + new_entry = NULL; error = 0; out: mutex_unlock(&tomoyo_policy_lock); + kfree(new_entry); return error; } @@ -2148,35 +2152,6 @@ static int tomoyo_close_control(struct file *file) } /** - * tomoyo_alloc_acl_element - Allocate permanent memory for ACL entry. - * - * @acl_type: Type of ACL entry. - * - * Returns pointer to the ACL entry on success, NULL otherwise. - */ -void *tomoyo_alloc_acl_element(const u8 acl_type) -{ - int len; - struct tomoyo_acl_info *ptr; - - switch (acl_type) { - case TOMOYO_TYPE_SINGLE_PATH_ACL: - len = sizeof(struct tomoyo_single_path_acl_record); - break; - case TOMOYO_TYPE_DOUBLE_PATH_ACL: - len = sizeof(struct tomoyo_double_path_acl_record); - break; - default: - return NULL; - } - ptr = tomoyo_alloc_element(len); - if (!ptr) - return NULL; - ptr->type = acl_type; - return ptr; -} - -/** * tomoyo_open - open() for /sys/kernel/security/tomoyo/ interface. * * @inode: Pointer to "struct inode". |