linux-kernel - [PATCH] kdbus: Make kdbus_bus

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Date:	Wed, 22 Apr 2015 13:50:54 +0200
From:	Tobias Klauser <tklauser@...tanz.ch>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Daniel Mack <daniel@...que.org>,
	David Herrmann <dh.herrmann@...glemail.com>,
	Djalal Harouni <tixxdz@...ndz.org>
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH] kdbus: Make kdbus_bus_unref() return void

kdbus_bus_unref() always returns NULL and none of its callers use the
return value, so make it return void.

Signed-off-by: Tobias Klauser <tklauser@...tanz.ch>
---
 ipc/kdbus/bus.c | 5 +----
 ipc/kdbus/bus.h | 2 +-
 2 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/ipc/kdbus/bus.c b/ipc/kdbus/bus.c
index 9d0679e..dce7b08 100644
--- a/ipc/kdbus/bus.c
+++ b/ipc/kdbus/bus.c
@@ -202,14 +202,11 @@ struct kdbus_bus *kdbus_bus_ref(struct kdbus_bus *bus)
  *
  * Release a reference. If the reference count drops to 0, the bus will be
  * freed.
- *
- * Return: NULL
  */
-struct kdbus_bus *kdbus_bus_unref(struct kdbus_bus *bus)
+void kdbus_bus_unref(struct kdbus_bus *bus)
 {
 	if (bus)
 		kdbus_node_unref(&bus->node);
-	return NULL;
 }
 
 /**
diff --git a/ipc/kdbus/bus.h b/ipc/kdbus/bus.h
index 5bea5ef..266af60 100644
--- a/ipc/kdbus/bus.h
+++ b/ipc/kdbus/bus.h
@@ -84,7 +84,7 @@ struct kdbus_bus {
 };
 
 struct kdbus_bus *kdbus_bus_ref(struct kdbus_bus *bus);
-struct kdbus_bus *kdbus_bus_unref(struct kdbus_bus *bus);
+void kdbus_bus_unref(struct kdbus_bus *bus);
 
 struct kdbus_conn *kdbus_bus_find_conn_by_id(struct kdbus_bus *bus, u64 id);
 void kdbus_bus_broadcast(struct kdbus_bus *bus,
-- 
2.2.2


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