From patchwork Sat Feb 8 14:09:20 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christophe JAILLET X-Patchwork-Id: 1235285 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 48FDlH2GBsz9s3x for ; Sun, 9 Feb 2020 01:17:31 +1100 (AEDT) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=wanadoo.fr Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 48FDlG5brgzDqHq for ; Sun, 9 Feb 2020 01:17:30 +1100 (AEDT) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; spf=none (no SPF record) smtp.mailfrom=wanadoo.fr (client-ip=80.12.242.130; helo=smtp.smtpout.orange.fr; envelope-from=christophe.jaillet@wanadoo.fr; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=wanadoo.fr Received: from smtp.smtpout.orange.fr (smtp08.smtpout.orange.fr [80.12.242.130]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 48FDZ140vbzDqXT for ; Sun, 9 Feb 2020 01:09:29 +1100 (AEDT) Received: from localhost.localdomain ([93.22.133.23]) by mwinf5d31 with ME id 0E9R220070WSqZ103E9RbC; Sat, 08 Feb 2020 15:09:26 +0100 X-ME-Helo: localhost.localdomain X-ME-Auth: Y2hyaXN0b3BoZS5qYWlsbGV0QHdhbmFkb28uZnI= X-ME-Date: Sat, 08 Feb 2020 15:09:26 +0100 X-ME-IP: 93.22.133.23 From: Christophe JAILLET To: oss@buserror.net, galak@kernel.crashing.org, benh@kernel.crashing.org, paulus@samba.org, mpe@ellerman.id.au Subject: [PATCH 2/2] powerpc/83xx: Add some error handling in 'quirk_mpc8360e_qe_enet10()' Date: Sat, 8 Feb 2020 15:09:20 +0100 Message-Id: <20200208140920.7652-1-christophe.jaillet@wanadoo.fr> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 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, Christophe JAILLET , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" 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 Acked-by: Scott Wood --- arch/powerpc/platforms/83xx/km83xx.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) 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); }