From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751476AbaCVGwX (ORCPT ); Sat, 22 Mar 2014 02:52:23 -0400 Received: from mail-pa0-f48.google.com ([209.85.220.48]:55258 "EHLO mail-pa0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750853AbaCVGwV (ORCPT ); Sat, 22 Mar 2014 02:52:21 -0400 From: Monam Agarwal To: arnd@arndb.de, benh@kernel.crashing.org, paulus@samba.or, linuxppc-dev@lists.ozlabs.org, cbe-oss-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Subject: [PATCH] arch/powerpc: Use RCU_INIT_POINTER(x, NULL) in platforms/cell/spu_syscalls.c Date: Sat, 22 Mar 2014 12:20:56 +0530 Message-Id: <1395471056-2951-1-git-send-email-monamagarwal123@gmail.com> X-Mailer: git-send-email 1.7.9.5 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Here rcu_assign_pointer() is ensuring that the initialization of a structure is carried out before storing a pointer to that structure. So, rcu_assign_pointer(p, NULL) can always safely be converted to RCU_INIT_POINTER(p, NULL). Signed-off-by: Monam Agarwal --- arch/powerpc/platforms/cell/spu_syscalls.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/platforms/cell/spu_syscalls.c b/arch/powerpc/platforms/cell/spu_syscalls.c index 3844f13..38e0a1a 100644 --- a/arch/powerpc/platforms/cell/spu_syscalls.c +++ b/arch/powerpc/platforms/cell/spu_syscalls.c @@ -170,7 +170,7 @@ EXPORT_SYMBOL_GPL(register_spu_syscalls); void unregister_spu_syscalls(struct spufs_calls *calls) { BUG_ON(spufs_calls->owner != calls->owner); - rcu_assign_pointer(spufs_calls, NULL); + RCU_INIT_POINTER(spufs_calls, NULL); synchronize_rcu(); } EXPORT_SYMBOL_GPL(unregister_spu_syscalls); -- 1.7.9.5