From patchwork Mon Nov 28 15:23:23 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luca Ceresoli X-Patchwork-Id: 13057693 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 23F71C433FE for ; Mon, 28 Nov 2022 15:25:35 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A567B10E1EF; Mon, 28 Nov 2022 15:25:28 +0000 (UTC) Received: from relay11.mail.gandi.net (relay11.mail.gandi.net [IPv6:2001:4b98:dc4:8::231]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5B8A510E299 for ; Mon, 28 Nov 2022 15:24:52 +0000 (UTC) Received: from booty.fritz.box (unknown [77.244.183.192]) (Authenticated sender: luca.ceresoli@bootlin.com) by mail.gandi.net (Postfix) with ESMTPA id 69BC3100008; Mon, 28 Nov 2022 15:24:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1669649089; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=eZduwFmDHtlgeg2+JJFukQVp7zp/Hiu/ppOmNookfL8=; b=QOEPE5eRfqnQ3j613rQ7mMZuJ/rFEB12Hl+JJqJQOH9Z+xA15tht4tK6thY9dHGLiU7ZC7 y5+PiJhtcy4noYvoSyj8giSSz1v2hn6qDVReFuSM1eFZ7kio8JnxsqfUv5z1OKzJSO4emr giBxKdtqbeDivPv8IkgDVH/EsO2kWA1c6I725kyByrWjuMyiwxCosFsMTS6x+dHGoLB2sU 0XGHpKzIE4rZi+PSTW4EmJS8JoEdl2LLMcN1ajlHNN7GZ20WalhBwyw1306Foo/3EmpNg3 21EMsfQg7U0HtuBEnHN9zlSK6kc33eLVkeOhOiVy7gYTNACuu6ZpkVTIpVeH9w== From: Luca Ceresoli To: David Airlie , Daniel Vetter , Rob Herring , Krzysztof Kozlowski , Thierry Reding , Jonathan Hunter , Sowjanya Komatineni , Mauro Carvalho Chehab , Greg Kroah-Hartman , Dmitry Osipenko , Hans Verkuil Subject: [PATCH v2 08/21] staging: media: tegra-video: slightly simplify cleanup on errors Date: Mon, 28 Nov 2022 16:23:23 +0100 Message-Id: <20221128152336.133953-9-luca.ceresoli@bootlin.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221128152336.133953-1-luca.ceresoli@bootlin.com> References: <20221128152336.133953-1-luca.ceresoli@bootlin.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Paul Kocialkowski , Thomas Petazzoni , linux-tegra@vger.kernel.org, Richard Leitner , Luca Ceresoli , linux-media@vger.kernel.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" of_node_put(node) does nothing if node == NULL, so it can be moved to the cleanup section at the bottom. Signed-off-by: Luca Ceresoli --- No changes in v2 --- drivers/staging/media/tegra-video/vi.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/drivers/staging/media/tegra-video/vi.c b/drivers/staging/media/tegra-video/vi.c index 24de4ed1eaf0..2657207e5b7d 100644 --- a/drivers/staging/media/tegra-video/vi.c +++ b/drivers/staging/media/tegra-video/vi.c @@ -1263,7 +1263,7 @@ static int tegra_vi_channels_alloc(struct tegra_vi *vi) struct device_node *node = vi->dev->of_node; struct device_node *ep = NULL; struct device_node *ports; - struct device_node *port; + struct device_node *port = NULL; unsigned int port_num; struct device_node *parent; struct v4l2_fwnode_endpoint v4l2_ep = { .bus_type = 0 }; @@ -1286,7 +1286,6 @@ static int tegra_vi_channels_alloc(struct tegra_vi *vi) dev_err(vi->dev, "invalid port num %d for %pOF\n", port_num, port); ret = -EINVAL; - of_node_put(port); goto cleanup; } @@ -1309,13 +1308,12 @@ static int tegra_vi_channels_alloc(struct tegra_vi *vi) lanes = v4l2_ep.bus.mipi_csi2.num_data_lanes; ret = tegra_vi_channel_alloc(vi, port_num, port, lanes); - if (ret < 0) { - of_node_put(port); + if (ret < 0) goto cleanup; - } } cleanup: + of_node_put(port); of_node_put(ports); return ret; }