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[2620:137:e000::1:20]) by mx.google.com with ESMTP id cw18-20020a056a00451200b0051b5cc7403dsi9095885pfb.27.2022.06.18.10.25.33; Sat, 18 Jun 2022 10:25:45 -0700 (PDT) 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="ELooSgG/"; 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 S236043AbiFRRHr (ORCPT + 99 others); Sat, 18 Jun 2022 13:07:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36462 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231342AbiFRRHo (ORCPT ); Sat, 18 Jun 2022 13:07:44 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 541CB558E; Sat, 18 Jun 2022 10:07:43 -0700 (PDT) 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 E41DF60F08; Sat, 18 Jun 2022 17:07:42 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 51D13C3411D; Sat, 18 Jun 2022 17:07:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1655572062; bh=KqmNordb+QHA2ZI4oQIWOsfJ2gjxU8YjcD2HdXlvMzs=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=ELooSgG/KSJ7yFrax/Y2UJqiGNJlBJKaVV3AuacAx8foXpCJ/x7LCblKOywfWoUDy t1Z7NFEOPotYx1Hhg9GHWUolRA2LiruJX6MjwGIbbu82G1uaw+pdulwYSDtxR1A8fs KuqAiSJsHBPijwOK7EEH1jtX+1NXbPNcY0md992sI5ZzDvHTkGziZ4EDjSDitVd/Qr DQ6WIywLeZ2m/TmIcwWzj3sAxUKXOQKf3OWVcvLGbO+1kzTTH65miHIQGIdFmlNPkg xqCeLTqnELDuiZN3jglByq9zDhbV2HyUC2SCXvV7M9+NW9lZ35iCoyljjVIeFfrEDP 43tMXCXxdowWA== Received: by mail-pl1-f175.google.com with SMTP id k7so6319597plg.7; Sat, 18 Jun 2022 10:07:42 -0700 (PDT) X-Gm-Message-State: AJIora+oc25Lu/Oe6NKsPppx8NRDAaLVZcAZ5S7KNueZAlF2p1sRX+7K aaU/CPchQvN447dum33fn+iB27p04HBxC425Eh4= X-Received: by 2002:a17:903:1c5:b0:167:71bd:462f with SMTP id e5-20020a17090301c500b0016771bd462fmr15669728plh.65.1655572061950; Sat, 18 Jun 2022 10:07:41 -0700 (PDT) MIME-Version: 1.0 References: <20220618060850.4058525-1-windhl@126.com> In-Reply-To: <20220618060850.4058525-1-windhl@126.com> From: Timur Tabi Date: Sat, 18 Jun 2022 12:07:05 -0500 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH] tty: serial: Fix refcount leak bug in ucc_uart.c To: Liang He Cc: Timur Tabi , Greg Kroah-Hartman , jirislaby@kernel.org, PowerPC Mailing List , linux-serial@vger.kernel.org, lkml Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-7.7 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,T_SCC_BODY_TEXT_LINE 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 Sat, Jun 18, 2022 at 1:09 AM Liang He wrote: > > In soc_info(), of_find_node_by_type() will return a node pointer > with refcount incremented. We should use of_node_put() when it is > not used anymore. > > Signed-off-by: Liang He Acked-by: Timur Tabi