From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6BC6AC04AB5 for ; Mon, 3 Jun 2019 15:53:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4B645248CE for ; Mon, 3 Jun 2019 15:53:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729467AbfFCPwA (ORCPT ); Mon, 3 Jun 2019 11:52:00 -0400 Received: from foss.arm.com ([217.140.101.70]:53920 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729440AbfFCPv4 (ORCPT ); Mon, 3 Jun 2019 11:51:56 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id B31AC169E; Mon, 3 Jun 2019 08:51:55 -0700 (PDT) Received: from en101.cambridge.arm.com (en101.cambridge.arm.com [10.1.196.93]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 7FFA53F246; Mon, 3 Jun 2019 08:51:54 -0700 (PDT) From: Suzuki K Poulose To: linux-kernel@vger.kernel.org Cc: gregkh@linuxfoundation.org, rafael@kernel.org, suzuki.poulose@arm.com, Harald Freudenberger , Heiko Carstens Subject: [RFC PATCH 37/57] drivers: s390: zcrypt: Use class_find_device_by_devt helper Date: Mon, 3 Jun 2019 16:50:03 +0100 Message-Id: <1559577023-558-38-git-send-email-suzuki.poulose@arm.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1559577023-558-1-git-send-email-suzuki.poulose@arm.com> References: <1559577023-558-1-git-send-email-suzuki.poulose@arm.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use the generic helper to find a device matching the devt. Cc: Harald Freudenberger Cc: Heiko Carstens Signed-off-by: Suzuki K Poulose --- drivers/s390/crypto/zcrypt_api.c | 11 +---------- 1 file changed, 1 insertion(+), 10 deletions(-) diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c index 16cad8e..99c9b77 100644 --- a/drivers/s390/crypto/zcrypt_api.c +++ b/drivers/s390/crypto/zcrypt_api.c @@ -133,12 +133,6 @@ struct zcdn_device { static int zcdn_create(const char *name); static int zcdn_destroy(const char *name); -/* helper function, matches the devt value for find_zcdndev_by_devt() */ -static int __match_zcdn_devt(struct device *dev, const void *data) -{ - return dev->devt == *((dev_t *) data); -} - /* * Find zcdn device by name. * Returns reference to the zcdn device which needs to be released @@ -159,10 +153,7 @@ static inline struct zcdn_device *find_zcdndev_by_name(const char *name) */ static inline struct zcdn_device *find_zcdndev_by_devt(dev_t devt) { - struct device *dev = - class_find_device(zcrypt_class, NULL, - (void *) &devt, - __match_zcdn_devt); + struct device *dev = class_find_device_by_devt(zcrypt_class, NULL, devt); return dev ? to_zcdn_dev(dev) : NULL; } -- 2.7.4