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| author | Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> | 2010-06-15 09:23:26 +0900 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2010-08-02 15:34:29 +1000 |
| commit | 36f5e1ffbf2bb951105ae4e261bcc1de3eaf510c (patch) | |
| tree | 80e01278296477b4d30288081267d35ff771d720 /security/tomoyo/path_group.c | |
| parent | 82e0f001a4c1112dcff9cafa9812a33889ad9b8a (diff) | |
| download | kernel_samsung_aries-36f5e1ffbf2bb951105ae4e261bcc1de3eaf510c.zip kernel_samsung_aries-36f5e1ffbf2bb951105ae4e261bcc1de3eaf510c.tar.gz kernel_samsung_aries-36f5e1ffbf2bb951105ae4e261bcc1de3eaf510c.tar.bz2 | |
TOMOYO: Use callback for updating entries.
Use common code for elements using "struct list_head" + "bool" structure.
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'security/tomoyo/path_group.c')
| -rw-r--r-- | security/tomoyo/path_group.c | 32 |
1 files changed, 12 insertions, 20 deletions
diff --git a/security/tomoyo/path_group.c b/security/tomoyo/path_group.c index 7838f76..5b71d88 100644 --- a/security/tomoyo/path_group.c +++ b/security/tomoyo/path_group.c @@ -54,6 +54,15 @@ struct tomoyo_path_group *tomoyo_get_path_group(const char *group_name) return !error ? group : NULL; } +static bool tomoyo_same_path_group(const struct tomoyo_acl_head *a, + const struct tomoyo_acl_head *b) +{ + return container_of(a, struct tomoyo_path_group_member, head) + ->member_name == + container_of(b, struct tomoyo_path_group_member, head) + ->member_name; +} + /** * tomoyo_write_path_group_policy - Write "struct tomoyo_path_group" list. * @@ -65,7 +74,6 @@ struct tomoyo_path_group *tomoyo_get_path_group(const char *group_name) int tomoyo_write_path_group_policy(char *data, const bool is_delete) { struct tomoyo_path_group *group; - struct tomoyo_path_group_member *member; struct tomoyo_path_group_member e = { }; int error = is_delete ? -ENOENT : -ENOMEM; char *w[2]; @@ -77,25 +85,9 @@ int tomoyo_write_path_group_policy(char *data, const bool is_delete) e.member_name = tomoyo_get_name(w[1]); if (!e.member_name) goto out; - if (mutex_lock_interruptible(&tomoyo_policy_lock)) - goto out; - list_for_each_entry_rcu(member, &group->member_list, head.list) { - if (member->member_name != e.member_name) - continue; - member->head.is_deleted = is_delete; - error = 0; - break; - } - if (!is_delete && error) { - struct tomoyo_path_group_member *entry = - tomoyo_commit_ok(&e, sizeof(e)); - if (entry) { - list_add_tail_rcu(&entry->head.list, - &group->member_list); - error = 0; - } - } - mutex_unlock(&tomoyo_policy_lock); + error = tomoyo_update_policy(&e.head, sizeof(e), is_delete, + &group->member_list, + tomoyo_same_path_group); out: tomoyo_put_name(e.member_name); tomoyo_put_path_group(group); |