Add __kdbus_domain_user_account() to account and link users into a
domain.
Signed-off-by: Djalal Harouni <tix...@opendz.org>
---
domain.c | 32 ++++++++++++++++++++++++++++++++
1 file changed, 32 insertions(+)
diff --git a/domain.c b/domain.c
index c4912fa..a321f31 100644
--- a/domain.c
+++ b/domain.c
@@ -419,6 +419,38 @@ int kdbus_domain_make_user(struct kdbus_cmd_make *cmd,
char **name)
}
/**
+ * __kdbus_domain_user_account() - account a kdbus_domain_user object
+ * into the specified domain
+ * @domain: The domain of the user
+ * @user The kdbus_domain_user object of the user
+ *
+ * Returns 0 on success, -ENOMEM on failure.
+ *
+ * Caller must have the domain lock held and must ensure that the
+ * domain was not disconnected.
+ */
+int __kdbus_domain_user_account(struct kdbus_domain *domain,
+ struct kdbus_domain_user *user)
+{
+ int ret;
+
+ /*
+ * Allocate the smallest possible index for this user; used
+ * in arrays for accounting user quota in receiver queues.
+ */
+ ret = idr_alloc(&domain->user_idr, user, 1, 0, GFP_KERNEL);
+ if (ret < 0)
+ return ret;
+
+ user->idr = ret;
+
+ /* UID hash map */
+ hash_add(domain->user_hash, &user->hentry, __kuid_val(user->uid));
+
+ return 0;
+}
+
+/**
* kdbus_domain_user_find_or_new() - get a kdbus_domain_user object in a domain
* @domain: The domain
* @uid: The uid of the user; INVALID_UID for an anonymous
--
1.9.3
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