From patchwork Mon Jan 30 14:15:50 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luca Ceresoli X-Patchwork-Id: 648828 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 285F1C636D3 for ; Mon, 30 Jan 2023 14:17:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237563AbjA3ORr (ORCPT ); Mon, 30 Jan 2023 09:17:47 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60950 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237487AbjA3ORa (ORCPT ); Mon, 30 Jan 2023 09:17:30 -0500 Received: from relay11.mail.gandi.net (relay11.mail.gandi.net [217.70.178.231]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6C62B3E0A1; Mon, 30 Jan 2023 06:17:01 -0800 (PST) Received: from booty.fritz.box (unknown [77.244.183.192]) (Authenticated sender: luca.ceresoli@bootlin.com) by mail.gandi.net (Postfix) with ESMTPA id 840C7100004; Mon, 30 Jan 2023 14:16:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1675088220; 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=wDKaDW07jRg6JKv4FccRmW/KLxnvUIW9HGrFo7N25X0=; b=QWoP1r7BvNdLSKaNW0NenVvDRcgXcY0T0/cJkObS+sUC/Pa2A5GFFx2D9PaWiGc6LtAae1 0nboqki4rsDD+wMquqfYMWRsZg89tll4+HAHaD38E7iDTqZ1btBWG7FPZ3KRB+L6LGyQCa JMvKfhcuJ5R4pDdvXfvTAkw01IarFcRwQQBWHlBgjk4CsnpRQFSY5MHTdkyOvXVuPfzlCz no9LSiH14O6QEYBbp4MBU+57HWSuFuXFYYbZ1B22I0PMzNUZ6VYTcTmQERw39ME9TNQkQJ Iju1Nh84JXWP89aNrAwgfwUVuJrdQiRQeTm7OABy3IZbe9vvwPKJ94aiCcs/IA== From: Luca Ceresoli To: Thierry Reding , Jonathan Hunter , Sowjanya Komatineni , David Airlie , Daniel Vetter , Rob Herring , Krzysztof Kozlowski , Mauro Carvalho Chehab , Greg Kroah-Hartman , Dmitry Osipenko , Hans Verkuil Cc: Luca Ceresoli , linux-media@vger.kernel.org, linux-tegra@vger.kernel.org, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-staging@lists.linux.dev, Thomas Petazzoni , Paul Kocialkowski , Richard Leitner Subject: [PATCH v4 08/21] staging: media: tegra-video: slightly simplify cleanup on errors Date: Mon, 30 Jan 2023 15:15:50 +0100 Message-Id: <20230130141603.323221-9-luca.ceresoli@bootlin.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230130141603.323221-1-luca.ceresoli@bootlin.com> References: <20230130141603.323221-1-luca.ceresoli@bootlin.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org 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 Reviewed-by: Dmitry Osipenko --- Changed in v4: - Added review tags No changes in v3 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 0e5067a7986a..c2724e1ecafb 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; }