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[2620:137:e000::1:20]) by mx.google.com with ESMTP id du18-20020a17090772d200b007c4f331c852si26361470ejc.274.2023.01.02.04.46.01; Mon, 02 Jan 2023 04:46:16 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=GicCVPuq; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232758AbjABMUH (ORCPT + 60 others); Mon, 2 Jan 2023 07:20:07 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44132 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230260AbjABMUG (ORCPT ); Mon, 2 Jan 2023 07:20:06 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C3FB3E12 for ; Mon, 2 Jan 2023 04:20:05 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 69A0A60F1A for ; Mon, 2 Jan 2023 12:20:05 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id CF496C433D2; Mon, 2 Jan 2023 12:20:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1672662004; bh=btaLwKP77c2vrIksrhaCf6AXfnXi0R3vpTgMQOQzZFU=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=GicCVPuqMgPSRD1ofaxjiJn9wZAHZBWUGkzf5udCKW5TIAvdqkWGu8ivkGInDp+R5 ZYorXQFVQfDFN99L1HE82ANNeUSV5uDTDMUmgXvjqFBrVYhdy7umuX2oGj5ECAX+Ck Vqu+sf8I6xSs4Xqb9vRbM4S7epG4L3RZOmo+0vnxTNFNkOhiu/E9pj2slZxdqZUvgS NGD47oWTsBb5FPK+D8NaMSos0f5qsCXiwxDUcfHjoYjGiIW02OAF4iEjarlnVjC2qW L+mBVKniF94IZeeW0qTYU7o2H1Vk6zzkTDuIlsjnnmh4AXUs3nKXnJgbA1mtRo4y4s s5H3mLCXpwIdA== Received: from disco-boy.misterjones.org ([51.254.78.96] helo=www.loen.fr) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1pCJnO-00GJnn-L4; Mon, 02 Jan 2023 12:20:02 +0000 MIME-Version: 1.0 Date: Mon, 02 Jan 2023 12:20:02 +0000 From: Marc Zyngier To: Miaoqian Lin Cc: Thomas Gleixner , Saravana Kannan , linux-kernel@vger.kernel.org Subject: Re: [PATCH] irqchip: Fix refcount leak in platform_irqchip_probe In-Reply-To: <20230102121318.3990586-1-linmq006@gmail.com> References: <20230102121318.3990586-1-linmq006@gmail.com> User-Agent: Roundcube Webmail/1.4.13 Message-ID: <6fa4699cc0b1b17943d4c67e53c432a4@kernel.org> X-Sender: maz@kernel.org Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit X-SA-Exim-Connect-IP: 51.254.78.96 X-SA-Exim-Rcpt-To: linmq006@gmail.com, tglx@linutronix.de, saravanak@google.com, linux-kernel@vger.kernel.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2023-01-02 12:13, Miaoqian Lin wrote: > of_irq_find_parent() returns a node pointer with refcount incremented, > We should use of_node_put() on it when not needed anymore. > Add missing of_node_put() to avoid refcount leak. > > Fixes: f8410e626569 ("irqchip: Add IRQCHIP_PLATFORM_DRIVER_BEGIN/END > and IRQCHIP_MATCH helper macros") > Signed-off-by: Miaoqian Lin Please stop sending these patches one by one. Send a series covering the whole of the irqchip subsystem, once you have looked at all the drivers. Thanks, M. -- Jazz is not dead. It just smells funny...