From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932767AbbLBQQk (ORCPT ); Wed, 2 Dec 2015 11:16:40 -0500 Received: from mail-wm0-f51.google.com ([74.125.82.51]:35599 "EHLO mail-wm0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750829AbbLBQQi (ORCPT ); Wed, 2 Dec 2015 11:16:38 -0500 From: Thierry Reding To: Herbert Xu Cc: "David S. Miller" , linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] crypto: n2 - Use platform_register/unregister_drivers() Date: Wed, 2 Dec 2015 17:16:36 +0100 Message-Id: <1449072996-10591-1-git-send-email-thierry.reding@gmail.com> X-Mailer: git-send-email 2.5.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Thierry Reding These new helpers simplify implementing multi-driver modules and properly handle failure to register one driver by unregistering all previously registered drivers. Signed-off-by: Thierry Reding --- drivers/crypto/n2_core.c | 17 +++++++---------- 1 file changed, 7 insertions(+), 10 deletions(-) diff --git a/drivers/crypto/n2_core.c b/drivers/crypto/n2_core.c index 5450880abb7b..739a786b9f08 100644 --- a/drivers/crypto/n2_core.c +++ b/drivers/crypto/n2_core.c @@ -2243,22 +2243,19 @@ static struct platform_driver n2_mau_driver = { .remove = n2_mau_remove, }; +static struct platform_driver * const drivers[] = { + &n2_crypto_driver, + &n2_mau_driver, +}; + static int __init n2_init(void) { - int err = platform_driver_register(&n2_crypto_driver); - - if (!err) { - err = platform_driver_register(&n2_mau_driver); - if (err) - platform_driver_unregister(&n2_crypto_driver); - } - return err; + return platform_register_drivers(drivers, ARRAY_SIZE(drivers)); } static void __exit n2_exit(void) { - platform_driver_unregister(&n2_mau_driver); - platform_driver_unregister(&n2_crypto_driver); + platform_unregister_drivers(drivers, ARRAY_SIZE(drivers)); } module_init(n2_init); -- 2.5.0