From patchwork Tue Dec 3 00:33:33 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zijun Hu X-Patchwork-Id: 13891554 Received: from pv50p00im-zteg10011501.me.com (pv50p00im-zteg10011501.me.com [17.58.6.42]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8E9176F307 for ; Tue, 3 Dec 2024 00:38:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=17.58.6.42 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733186337; cv=none; b=YIMzqH05uaECZcEwBMbxAS4MZxn/M9ssn3rpk6+/dxrCWW9tBU5WpZrGzknv1vwu5vhTgYrWbFUiyDezveM1eHmAOWSVPJRYcECX0Wh4DBxQKlo81urrZLLLt+TenlauOQUJ4zQ4MGEWLJDQdoCugkWj0ASrce1HNnSl8Gi9GiM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733186337; c=relaxed/simple; bh=bVxN+FZOfleQVmg6RLp1YA7VWhpbCqAopfI4NI1NFnA=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=dhggOYgc6i1AcT/pcCq7cZnhy1TU3Kcqk2jvSAtpMHTDga6OLYOaUcSK+M6N88pByUcmn4neMI7fxRWGIQ6G8cMScdi7Hp8S2qgWyH8308IK3C8ifDz0d1sBziN5z9/nt+U2BEnGp4UhC76AeeJ2LSYYTK4+sclGTc2SwY/3T6c= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=icloud.com; spf=pass smtp.mailfrom=icloud.com; dkim=pass (2048-bit key) header.d=icloud.com header.i=@icloud.com header.b=cNZheBgV; arc=none smtp.client-ip=17.58.6.42 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=icloud.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=icloud.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=icloud.com header.i=@icloud.com header.b="cNZheBgV" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=icloud.com; s=1a1hai; t=1733186335; bh=DunB/Cza6j0J9yIEJF1/KVIA9ohiToydy/mrGuBe+NA=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:To: x-icloud-hme; b=cNZheBgVFQmN8bDOAgA1O/6ilvMdUYLWH2rCw2sbVyV42b9UfWahOMUwO6MA2D3wu PS9ynWuFaT87rd3PD4MocTwkv2r4XCW+znolqO/soTSf67giOwZyPuElgZCsDCGjPD tlxClv/tibYTlDeYlsonl81S7tf7SmWu6omQ3zz/xG2MhX/msIxPaL9v0oyTyFR9Fw r7B4k0/vLKdn1SsAxgw6R0/+MQJFM4NioFAG0GKYfjVBsizaRIrVhJ2s4itJxOhsB5 Gigjpj8kjdQqUw86WbyZHXCyybV4R7w7adERzs4Ufil2RPDqc7KxPNEscKwkReaaGX 7Wkla79Wkq4hw== Received: from [192.168.1.26] (pv50p00im-dlb-asmtp-mailmevip.me.com [17.56.9.10]) by pv50p00im-zteg10011501.me.com (Postfix) with ESMTPSA id DD3E54A00A7; Tue, 3 Dec 2024 00:38:34 +0000 (UTC) From: Zijun Hu Date: Tue, 03 Dec 2024 08:33:33 +0800 Subject: [PATCH v2 11/32] libnvdimm: Simplify nd_namespace_store() implementation Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20241203-const_dfc_done-v2-11-7436a98c497f@quicinc.com> References: <20241203-const_dfc_done-v2-0-7436a98c497f@quicinc.com> In-Reply-To: <20241203-const_dfc_done-v2-0-7436a98c497f@quicinc.com> To: Greg Kroah-Hartman , "Rafael J. Wysocki" , Chun-Kuang Hu , Philipp Zabel , David Airlie , Simona Vetter , Matthias Brugger , AngeloGioacchino Del Regno , Jean Delvare , Guenter Roeck , Martin Tuma , Mauro Carvalho Chehab , Andreas Noever , Michael Jamet , Mika Westerberg , Yehezkel Bernat , Linus Walleij , Bartosz Golaszewski , Andrew Lunn , Vladimir Oltean , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , Dan Williams , Vishal Verma , Dave Jiang , Ira Weiny , Takashi Sakamoto , Jiri Slaby , Heikki Krogerus , Srinivas Kandagatla , Lee Duncan , Chris Leech , Mike Christie , "James E.J. Bottomley" , "Martin K. Petersen" , Nilesh Javali , Manish Rangankar , GR-QLogic-Storage-Upstream@marvell.com, Davidlohr Bueso , Jonathan Cameron , Alison Schofield , Andreas Larsson , Stuart Yoder , Laurentiu Tudor , Jens Axboe , Sudeep Holla , Cristian Marussi , Ard Biesheuvel , Bjorn Andersson , Mathieu Poirier Cc: Zijun Hu , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-hwmon@vger.kernel.org, linux-media@vger.kernel.org, linux-usb@vger.kernel.org, linux-gpio@vger.kernel.org, netdev@vger.kernel.org, linux-pwm@vger.kernel.org, nvdimm@lists.linux.dev, linux1394-devel@lists.sourceforge.net, linux-serial@vger.kernel.org, linux-sound@vger.kernel.org, open-iscsi@googlegroups.com, linux-scsi@vger.kernel.org, linux-cxl@vger.kernel.org, sparclinux@vger.kernel.org, linux-block@vger.kernel.org, arm-scmi@vger.kernel.org, linux-efi@vger.kernel.org, linux-remoteproc@vger.kernel.org, Zijun Hu X-Mailer: b4 0.14.2 X-Proofpoint-GUID: Mwb4WO2zvDF-UK70QCmcJRU4qe8f8eTp X-Proofpoint-ORIG-GUID: Mwb4WO2zvDF-UK70QCmcJRU4qe8f8eTp X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1057,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2024-12-02_14,2024-12-02_01,2024-11-22_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 phishscore=0 bulkscore=0 mlxlogscore=999 mlxscore=0 spamscore=0 suspectscore=0 malwarescore=0 clxscore=1015 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2308100000 definitions=main-2412030002 X-Apple-Remote-Links: v=1;h=KCk=;charset=UTF-8 From: Zijun Hu Simplify nd_namespace_store() implementation by device_find_child_by_name() Signed-off-by: Zijun Hu --- drivers/nvdimm/claim.c | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-) diff --git a/drivers/nvdimm/claim.c b/drivers/nvdimm/claim.c index 030dbde6b0882050c90fb8db106ec15b1baef7ca..9e84ab411564f9d5e7ceb687c6491562564552e3 100644 --- a/drivers/nvdimm/claim.c +++ b/drivers/nvdimm/claim.c @@ -67,13 +67,6 @@ bool nd_attach_ndns(struct device *dev, struct nd_namespace_common *attach, return claimed; } -static int namespace_match(struct device *dev, void *data) -{ - char *name = data; - - return strcmp(name, dev_name(dev)) == 0; -} - static bool is_idle(struct device *dev, struct nd_namespace_common *ndns) { struct nd_region *nd_region = to_nd_region(dev->parent); @@ -168,7 +161,7 @@ ssize_t nd_namespace_store(struct device *dev, goto out; } - found = device_find_child(dev->parent, name, namespace_match); + found = device_find_child_by_name(dev->parent, name); if (!found) { dev_dbg(dev, "'%s' not found under %s\n", name, dev_name(dev->parent));