From patchwork Fri Feb 12 17:10:42 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= X-Patchwork-Id: 12085699 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=-13.8 required=3.0 tests=BAYES_20, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 A3583C433E0 for ; Fri, 12 Feb 2021 17:11:05 +0000 (UTC) Received: from ml01.01.org (ml01.01.org [198.145.21.10]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 3207E64E02 for ; Fri, 12 Feb 2021 17:11:05 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3207E64E02 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-nvdimm-bounces@lists.01.org Received: from ml01.vlan13.01.org (localhost [IPv6:::1]) by ml01.01.org (Postfix) with ESMTP id 878BF100EA104; Fri, 12 Feb 2021 09:11:04 -0800 (PST) Received-SPF: Pass (mailfrom) identity=mailfrom; client-ip=2001:67c:670:201:290:27ff:fe1d:cc33; helo=metis.ext.pengutronix.de; envelope-from=ukl@pengutronix.de; receiver= Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 856D4100EA2DF for ; Fri, 12 Feb 2021 09:11:01 -0800 (PST) Received: from ptx.hi.pengutronix.de ([2001:67c:670:100:1d::c0]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lAbxx-0005xN-S7; Fri, 12 Feb 2021 18:10:49 +0100 Received: from ukl by ptx.hi.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1lAbxx-0000Wx-Bw; Fri, 12 Feb 2021 18:10:49 +0100 From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= To: Dan Williams , Vishal Verma , Dave Jiang , Ira Weiny Subject: [PATCH 1/2] libnvdimm: simplify nvdimm_remove() Date: Fri, 12 Feb 2021 18:10:42 +0100 Message-Id: <20210212171043.2136580-1-u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 2.29.2 MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::c0 X-SA-Exim-Mail-From: ukl@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-nvdimm@lists.01.org Message-ID-Hash: DJ4NDOERVJ2WVVCGZP4SKNKXLAJOGF2L X-Message-ID-Hash: DJ4NDOERVJ2WVVCGZP4SKNKXLAJOGF2L X-MailFrom: ukl@pengutronix.de X-Mailman-Rule-Hits: nonmember-moderation X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation CC: Andrew Morton , Greg Kroah-Hartman , kernel@pengutronix.de, linux-nvdimm@lists.01.org, linux-kernel@vger.kernel.org X-Mailman-Version: 3.1.1 Precedence: list List-Id: "Linux-nvdimm developer list." Archived-At: List-Archive: List-Help: List-Post: List-Subscribe: List-Unsubscribe: nvdimm_remove is only ever called after nvdimm_probe() returned successfully. In this case driver data is always set to a non-NULL value so the check for driver data being NULL can go away as it's always false. Signed-off-by: Uwe Kleine-König --- drivers/nvdimm/dimm.c | 3 --- 1 file changed, 3 deletions(-) base-commit: 5c8fe583cce542aa0b84adc939ce85293de36e5e diff --git a/drivers/nvdimm/dimm.c b/drivers/nvdimm/dimm.c index 7d4ddc4d9322..94be3ae1d29f 100644 --- a/drivers/nvdimm/dimm.c +++ b/drivers/nvdimm/dimm.c @@ -117,9 +117,6 @@ static int nvdimm_remove(struct device *dev) { struct nvdimm_drvdata *ndd = dev_get_drvdata(dev); - if (!ndd) - return 0; - nvdimm_bus_lock(dev); dev_set_drvdata(dev, NULL); nvdimm_bus_unlock(dev);