From patchwork Sat Feb 17 16:42:45 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonathan Cameron X-Patchwork-Id: 13561462 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C773F7D402; Sat, 17 Feb 2024 16:44:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708188252; cv=none; b=Q4Hz2RvVAyyvqZL226tCUxVtXg7bRxUCqN+9q5fHy+3lMArcX6KdYTq8aD0k5e8M5MlZvr9b/SBIFmBtGUUYIaYM/ELwesgYP+LHUGMIknUPoKBK1jef/7T/e6mpNlAh+MPaty2M/o4EZyXBLPgqHlXYhQL296GTRnqUMdfprCc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708188252; c=relaxed/simple; bh=Nl9qYxjXOLsowWrciGmKveA07CHxDugmQszc3tjdG3Q=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=lzE4P8vo3wg52c7viy7ZwVxgc8j48dUMsd84aiwiN5JbkRFuxWrr8kfcVisSm0lyI01Wy/eEbtI6+y/yW/TJvscio/u3hg7jdoCmKbAbghi3k7RHy65Sh0tueGBov57lw2xGxmBy3S9pUituEs1OBcaYSifcBDOYE+blcC4AZtw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=AYctr/8o; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="AYctr/8o" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D16F7C43399; Sat, 17 Feb 2024 16:44:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1708188251; bh=Nl9qYxjXOLsowWrciGmKveA07CHxDugmQszc3tjdG3Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=AYctr/8oA3qLGO8TJuzzwXVBOvh2W6MzSttM4W1awpEuemzgZ0RhhxXA43RTFoghl L0tkNSYRvLcuBm7OyNpU95blNJZegPqvHunoLkg7qlzV7pvviBTY1zlXx96di4SM8T 83zjUIbj+wZrKxCDJudtmFaM+g5zVIvkRCMtIEQ2gbfXlSjTZveZnMPkqrL4XQmZTr NleA2Un/MgSV/+SdZn4b2vL3KlfKZkjh/jQL+zDh5+HI47yWOZt4Kp5uK+Ebb9uQtG HKiBPW7QvI0Ekf7BZqN0u9Dei0qM+azKEV73vClKeIq9tA4YOkZ8vCr9AqnmQj1JuR +dEQJzJUrH51g== From: Jonathan Cameron To: linux-iio@vger.kernel.org, "Rafael J . Wysocki" , Len Brown , linux-acpi@vger.kernel.org, Andy Shevchenko , Greg Kroah-Hartman , Daniel Scally , Heikki Krogerus , Sakari Ailus , Julia Lawall Cc: =?utf-8?q?Nuno_S=C3=A1?= , Cosmin Tanislav , Mihail Chindris , Rasmus Villemoes , Tomislav Denis , Marek Vasut , Olivier Moysan , Fabrice Gasnier , Lad Prabhakar , Dmitry Baryshkov , Marijn Suijten , Marius Cristea , Ibrahim Tilki , Peter Zijlstra , Jonathan Cameron Subject: [PATCH v4 11/15] iio: adc: ti-ads131e08: Use device_for_each_child_node_scoped() Date: Sat, 17 Feb 2024 16:42:45 +0000 Message-ID: <20240217164249.921878-12-jic23@kernel.org> X-Mailer: git-send-email 2.43.2 In-Reply-To: <20240217164249.921878-1-jic23@kernel.org> References: <20240217164249.921878-1-jic23@kernel.org> Precedence: bulk X-Mailing-List: linux-iio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Jonathan Cameron Switching to the _scoped() version removes the need for manual calling of fwnode_handle_put() in the paths where the code exits the loop early. In this case that's all in error paths. Cc: Tomislav Denis Signed-off-by: Jonathan Cameron --- drivers/iio/adc/ti-ads131e08.c | 13 ++++--------- 1 file changed, 4 insertions(+), 9 deletions(-) diff --git a/drivers/iio/adc/ti-ads131e08.c b/drivers/iio/adc/ti-ads131e08.c index fcfc46254313..f653654f7c5d 100644 --- a/drivers/iio/adc/ti-ads131e08.c +++ b/drivers/iio/adc/ti-ads131e08.c @@ -694,7 +694,6 @@ static int ads131e08_alloc_channels(struct iio_dev *indio_dev) struct ads131e08_channel_config *channel_config; struct device *dev = &st->spi->dev; struct iio_chan_spec *channels; - struct fwnode_handle *node; unsigned int channel, tmp; int num_channels, i, ret; @@ -736,10 +735,10 @@ static int ads131e08_alloc_channels(struct iio_dev *indio_dev) return -ENOMEM; i = 0; - device_for_each_child_node(dev, node) { + device_for_each_child_node_scoped(dev, node) { ret = fwnode_property_read_u32(node, "reg", &channel); if (ret) - goto err_child_out; + return ret; ret = fwnode_property_read_u32(node, "ti,gain", &tmp); if (ret) { @@ -747,7 +746,7 @@ static int ads131e08_alloc_channels(struct iio_dev *indio_dev) } else { ret = ads131e08_pga_gain_to_field_value(st, tmp); if (ret < 0) - goto err_child_out; + return ret; channel_config[i].pga_gain = tmp; } @@ -758,7 +757,7 @@ static int ads131e08_alloc_channels(struct iio_dev *indio_dev) } else { ret = ads131e08_validate_channel_mux(st, tmp); if (ret) - goto err_child_out; + return ret; channel_config[i].mux = tmp; } @@ -784,10 +783,6 @@ static int ads131e08_alloc_channels(struct iio_dev *indio_dev) st->channel_config = channel_config; return 0; - -err_child_out: - fwnode_handle_put(node); - return ret; } static void ads131e08_regulator_disable(void *data)