From patchwork Fri Jul 12 14:19:20 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marc Gonzalez X-Patchwork-Id: 57525 Received: from vger.kernel.org ([209.132.180.67]) by www.linuxtv.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hlwOS-0007pL-VH; Fri, 12 Jul 2019 14:19:25 +0000 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727102AbfGLOTW (ORCPT + 1 other); Fri, 12 Jul 2019 10:19:22 -0400 Received: from ns.iliad.fr ([212.27.33.1]:60796 "EHLO ns.iliad.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727089AbfGLOTW (ORCPT ); Fri, 12 Jul 2019 10:19:22 -0400 Received: from ns.iliad.fr (localhost [127.0.0.1]) by ns.iliad.fr (Postfix) with ESMTP id BBC5F20907; Fri, 12 Jul 2019 16:19:20 +0200 (CEST) Received: from [192.168.108.49] (freebox.vlq16.iliad.fr [213.36.7.13]) by ns.iliad.fr (Postfix) with ESMTP id A1AEF2022D; Fri, 12 Jul 2019 16:19:20 +0200 (CEST) To: Sean Young , Brad Love , Mauro Carvalho Chehab Cc: linux-media , =?utf-8?q?Jonathan_Neusch?= =?utf-8?b?w6RmZXI=?= , Bjorn Andersson From: Marc Gonzalez Subject: [PATCH v1] media: dvb: Add devm_dvb_register_adapter Message-ID: Date: Fri, 12 Jul 2019 16:19:20 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 Content-Language: en-US X-Virus-Scanned: ClamAV using ClamSMTP ; ns.iliad.fr ; Fri Jul 12 16:19:20 2019 +0200 (CEST) Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Add devm* variant for automagic resource release. --- drivers/media/dvb-core/dvbdev.c | 21 +++++++++++++++++++++ include/media/dvbdev.h | 3 +++ 2 files changed, 24 insertions(+) diff --git a/drivers/media/dvb-core/dvbdev.c b/drivers/media/dvb-core/dvbdev.c index a3393cd4e584..c7a5302e8840 100644 --- a/drivers/media/dvb-core/dvbdev.c +++ b/drivers/media/dvb-core/dvbdev.c @@ -885,6 +885,27 @@ int dvb_register_adapter(struct dvb_adapter *adap, const char *name, } EXPORT_SYMBOL(dvb_register_adapter); +static void unregister_adapter(void *adap) +{ + dvb_unregister_adapter(adap); +} + +int devm_dvb_register_adapter(struct device *dev, struct dvb_adapter *adap, + const char *name, struct module *module, short *adapter_nums) +{ + int v1, v2; + + v1 = dvb_register_adapter(adap, name, module, dev, adapter_nums); + if (v1 < 0) + return v1; + + v2 = devm_add_action_or_reset(dev, unregister_adapter, adap); + if (v2 < 0) + return v2; + + return v1; +} +EXPORT_SYMBOL(devm_dvb_register_adapter); int dvb_unregister_adapter(struct dvb_adapter *adap) { diff --git a/include/media/dvbdev.h b/include/media/dvbdev.h index 551325858de3..32f8d1626319 100644 --- a/include/media/dvbdev.h +++ b/include/media/dvbdev.h @@ -202,6 +202,9 @@ int dvb_register_adapter(struct dvb_adapter *adap, const char *name, struct module *module, struct device *device, short *adapter_nums); +int devm_dvb_register_adapter(struct device *dev, struct dvb_adapter *adap, + const char *name, struct module *module, short *adapter_nums); + /** * dvb_unregister_adapter - Unregisters a DVB adapter *