TOMOYO: Use struct for passing ACL line.

Use structure for passing ACL line, in preparation for supporting policy
namespace and conditional parameters.

Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: James Morris <jmorris@namei.org>

1 files changed, 0 insertions, 53 deletions

diff --git a/security/tomoyo/mount.c b/security/tomoyo/mount.c
index 7649dbc6a56b..1e610f96c99d 100644
--- a/security/tomoyo/mount.c
+++ b/security/tomoyo/mount.c
@@ -243,56 +243,3 @@ int tomoyo_mount_permission(char *dev_name, struct path *path,
         tomoyo_read_unlock(idx);
         return error;
 }
-
-/**
- * tomoyo_same_mount_acl - Check for duplicated "struct tomoyo_mount_acl" entry.
- *
- * @a: Pointer to "struct tomoyo_acl_info".
- * @b: Pointer to "struct tomoyo_acl_info".
- *
- * Returns true if @a == @b, false otherwise.
- */
-static bool tomoyo_same_mount_acl(const struct tomoyo_acl_info *a,
-                                  const struct tomoyo_acl_info *b)
-{
-        const struct tomoyo_mount_acl *p1 = container_of(a, typeof(*p1), head);
-        const struct tomoyo_mount_acl *p2 = container_of(b, typeof(*p2), head);
-        return tomoyo_same_name_union(&p1->dev_name, &p2->dev_name) &&
-                tomoyo_same_name_union(&p1->dir_name, &p2->dir_name) &&
-                tomoyo_same_name_union(&p1->fs_type, &p2->fs_type) &&
-                tomoyo_same_number_union(&p1->flags, &p2->flags);
-}
-
-/**
- * tomoyo_write_mount - Write "struct tomoyo_mount_acl" list.
- *
- * @data:      String to parse.
- * @domain:    Pointer to "struct tomoyo_domain_info".
- * @is_delete: True if it is a delete request.
- *
- * Returns 0 on success, negative value otherwise.
- *
- * Caller holds tomoyo_read_lock().
- */
-int tomoyo_write_mount(char *data, struct tomoyo_domain_info *domain,
-                       const bool is_delete)
-{
-        struct tomoyo_mount_acl e = { .head.type = TOMOYO_TYPE_MOUNT_ACL };
-        int error = is_delete ? -ENOENT : -ENOMEM;
-        char *w[4];
-        if (!tomoyo_tokenize(data, w, sizeof(w)) || !w[3][0])
-                return -EINVAL;
-        if (!tomoyo_parse_name_union(w[0], &e.dev_name) ||
-            !tomoyo_parse_name_union(w[1], &e.dir_name) ||
-            !tomoyo_parse_name_union(w[2], &e.fs_type) ||
-            !tomoyo_parse_number_union(w[3], &e.flags))
-                goto out;
-        error = tomoyo_update_domain(&e.head, sizeof(e), is_delete, domain,
-                                     tomoyo_same_mount_acl, NULL);
- out:
-        tomoyo_put_name_union(&e.dev_name);
-        tomoyo_put_name_union(&e.dir_name);
-        tomoyo_put_name_union(&e.fs_type);
-        tomoyo_put_number_union(&e.flags);
-        return error;
-}