[systemd-devel] [PATCH v2 7/7] domain: remove dead kdbus_domain_user_find_or_new()

Djalal Harouni tixxdz at opendz.org
Wed Jul 30 13:11:58 PDT 2014


Signed-off-by: Djalal Harouni <tixxdz at opendz.org>
---
 domain.c | 67 ----------------------------------------------------------------
 domain.h |  2 --
 2 files changed, 69 deletions(-)

diff --git a/domain.c b/domain.c
index 1e2c3c9..eeb73ca 100644
--- a/domain.c
+++ b/domain.c
@@ -557,73 +557,6 @@ int kdbus_domain_user_account(struct kdbus_domain *domain,
 	return ret;
 }
 
-/**
- * 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
- *			user like a custom endpoint
- *
- * Return: a kdbus_domain_user, either freshly allocated or with the reference
- * counter increased. In case of memory allocation failure, NULL is returned.
- */
-struct kdbus_domain_user
-*kdbus_domain_user_find_or_new(struct kdbus_domain *domain, kuid_t uid)
-{
-	struct kdbus_domain_user *u;
-	int ret;
-
-	/* find uid and reference it */
-	if (uid_valid(uid)) {
-		mutex_lock(&domain->lock);
-		hash_for_each_possible(domain->user_hash, u,
-				       hentry, __kuid_val(uid)) {
-			if (!uid_eq(u->uid, uid))
-				continue;
-
-			kref_get(&u->kref);
-			mutex_unlock(&domain->lock);
-			return u;
-		}
-		mutex_unlock(&domain->lock);
-	}
-
-	/* allocate a new user */
-	u = kzalloc(sizeof(*u), GFP_KERNEL);
-	if (!u)
-		return NULL;
-
-	kref_init(&u->kref);
-	u->domain = kdbus_domain_ref(domain);
-	u->uid = uid;
-	atomic_set(&u->buses, 0);
-	atomic_set(&u->connections, 0);
-
-	/* link into domain */
-	mutex_lock(&domain->lock);
-	if (domain->disconnected) {
-		mutex_unlock(&domain->lock);
-		kfree(u);
-		return NULL;
-	}
-
-	/*
-	 * Allocate the smallest possible index for this user; used
-	 * in arrays for accounting user quota in receiver queues.
-	 */
-	ret = idr_alloc(&domain->user_idr, u, 0, 0, GFP_KERNEL);
-	if (ret < 0) {
-		mutex_unlock(&domain->lock);
-		return NULL;
-	}
-	u->idr = ret;
-
-	/* UID hash map */
-	hash_add(domain->user_hash, &u->hentry, __kuid_val(u->uid));
-	mutex_unlock(&domain->lock);
-
-	return u;
-}
-
 static void __kdbus_domain_user_free(struct kref *kref)
 {
 	struct kdbus_domain_user *user =
diff --git a/domain.h b/domain.h
index c81589e..0577e5d 100644
--- a/domain.h
+++ b/domain.h
@@ -107,8 +107,6 @@ int kdbus_domain_user_account(struct kdbus_domain *domain,
 			      kuid_t uid,
 			      struct kdbus_domain_user **user);
 
-struct kdbus_domain_user
-*kdbus_domain_user_find_or_new(struct kdbus_domain *domain, kuid_t uid);
 struct kdbus_domain_user *kdbus_domain_user_ref(struct kdbus_domain_user *u);
 struct kdbus_domain_user *kdbus_domain_user_unref(struct kdbus_domain_user *u);
 #endif
-- 
1.9.3



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