From mboxrd@z Thu Jan 1 00:00:00 1970 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=-8.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_2 autolearn=unavailable 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 5799FC3F2CD for ; Sat, 29 Feb 2020 23:19:19 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (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 148E024672 for ; Sat, 29 Feb 2020 23:19:19 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 148E024672 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=buserror.net Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 48VMmj1yn8zDrCF for ; Sun, 1 Mar 2020 10:19:17 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=none (no SPF record) smtp.mailfrom=buserror.net (client-ip=165.227.176.147; helo=baldur.buserror.net; envelope-from=oss@buserror.net; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=buserror.net Received: from baldur.buserror.net (baldur.buserror.net [165.227.176.147]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 48VMl21vySzDqB2 for ; Sun, 1 Mar 2020 10:17:49 +1100 (AEDT) Received: from [2601:449:8480:af0:12bf:48ff:fe84:c9a0] by baldur.buserror.net with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1j8BMa-0002MK-90; Sat, 29 Feb 2020 17:17:40 -0600 Message-ID: <4b8581f5fd497b3fb1e5232510cd57c1e7ccb92d.camel@buserror.net> From: Scott Wood To: Christophe JAILLET , galak@kernel.crashing.org, benh@kernel.crashing.org, paulus@samba.org, mpe@ellerman.id.au Date: Sat, 29 Feb 2020 17:17:39 -0600 In-Reply-To: <20200208140920.7652-1-christophe.jaillet@wanadoo.fr> References: <20200208140920.7652-1-christophe.jaillet@wanadoo.fr> Organization: Red Hat Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.28.5-0ubuntu0.18.04.1 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit X-SA-Exim-Connect-IP: 2601:449:8480:af0:12bf:48ff:fe84:c9a0 X-SA-Exim-Rcpt-To: christophe.jaillet@wanadoo.fr, galak@kernel.crashing.org, benh@kernel.crashing.org, paulus@samba.org, mpe@ellerman.id.au, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org X-SA-Exim-Mail-From: oss@buserror.net Subject: Re: [PATCH 2/2] powerpc/83xx: Add some error handling in 'quirk_mpc8360e_qe_enet10()' X-SA-Exim-Version: 4.2.1 (built Tue, 02 Aug 2016 21:08:31 +0000) X-SA-Exim-Scanned: Yes (on baldur.buserror.net) X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kernel-janitors@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Sat, 2020-02-08 at 15:09 +0100, Christophe JAILLET wrote: > In some error handling path, we should call "of_node_put(np_par)" or > some resource may be leaking in case of error. > > Fixes: 8159df72d43e ("83xx: add support for the kmeter1 board.") > Signed-off-by: Christophe JAILLET > --- > arch/powerpc/platforms/83xx/km83xx.c | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > Both patches: Acked-by: Scott Wood > diff --git a/arch/powerpc/platforms/83xx/km83xx.c > b/arch/powerpc/platforms/83xx/km83xx.c > index 306be75faec7..bcdc2c203ec9 100644 > --- a/arch/powerpc/platforms/83xx/km83xx.c > +++ b/arch/powerpc/platforms/83xx/km83xx.c > @@ -60,10 +60,12 @@ static void quirk_mpc8360e_qe_enet10(void) > ret = of_address_to_resource(np_par, 0, &res); > if (ret) { > pr_warn("%s couldn't map par_io registers\n", __func__); > - return; > + goto out; > } > > base = ioremap(res.start, resource_size(&res)); > + if (!base) > + goto out; > > /* > * set output delay adjustments to default values according > @@ -111,6 +113,7 @@ static void quirk_mpc8360e_qe_enet10(void) > setbits32((base + 0xac), 0x0000c000); > } > iounmap(base); > +out: > of_node_put(np_par); > } >