From patchwork Thu Aug 20 18:51:10 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bartosz Golaszewski X-Patchwork-Id: 11727057 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D3F3A13A4 for ; Thu, 20 Aug 2020 18:51:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BD7EB207DF for ; Thu, 20 Aug 2020 18:51:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=bgdev-pl.20150623.gappssmtp.com header.i=@bgdev-pl.20150623.gappssmtp.com header.b="ds8FchHZ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727924AbgHTSvk (ORCPT ); Thu, 20 Aug 2020 14:51:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59188 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727900AbgHTSv3 (ORCPT ); Thu, 20 Aug 2020 14:51:29 -0400 Received: from mail-wm1-x342.google.com (mail-wm1-x342.google.com [IPv6:2a00:1450:4864:20::342]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4CBEEC061343 for ; Thu, 20 Aug 2020 11:51:28 -0700 (PDT) Received: by mail-wm1-x342.google.com with SMTP id k20so2703419wmi.5 for ; Thu, 20 Aug 2020 11:51:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bgdev-pl.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=QPQnmI/58kOYJX5JO2+CM6DvjdssZDc2jVBjt8SVn9Y=; b=ds8FchHZgRuxGCcCkfqi5SN58L2+FMba1tz0losixTRhpXlqakfrOTqrbbVnokDN7f WheHwZbtxeZPlOV4zb65MCYoGXAMGE5xVq/Idi3wyXUyRrsLVO4rc/xo9Ni2Ap70Zrln ynhRFKQdeKG3/n3MpIXmtpXc8PiWpVShani05RJZfwaHRiM/mJlDf1/T1urQOTb7OF+n E3S2YOSoJBYv2fiaSbYSjMYeZFKmJYkr4SLL/TqZWgAUyusGabPyP7GqG5K2ZNsu2uZD qXOABGS19VmFHX3oLEuCVW74JDowihEpLnyDpBNKyfNtaK5PrnF6XWwOyQLeYHSci/CY eEUA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=QPQnmI/58kOYJX5JO2+CM6DvjdssZDc2jVBjt8SVn9Y=; b=nAT8U70hqETeAcKkf7nhA9ItHeobzu6RXrxNvqh3I4kKv7ZASboMufHIhvD/gAj/r5 81GTEqZiK6EhE8jet/MT7W95cAt992yLKJc+hJTiiw8R0bsg+GXSDPpskgVgtfYSFGrS bGf1A/BgQn6sELGImgAcmdRDecjuLUM48En28BhZLZo95arP3Jd02IvXflPRRDSbayHj DmaLLRItdcgSnZpNpZBm8viezm5bbVMYHn6T4iaJh05mV5fIS4dJ50Z1sgKGNCt3EBk/ Ta6NbCRmUTCRLb4qFXHyrMFu45ENYdvYK7Ls4+VuAaa0LyDpOc+KzTjUS6SB/ufiSbWD H9RA== X-Gm-Message-State: AOAM532ymGU8i1UnH9AKwWn6ZAYXH3rpZZYHcukXwb20rM2e20n4i+Hu Au7rL0wRnVwPBV/D36y2uxKj5mOHhslL5w== X-Google-Smtp-Source: ABdhPJyp/NWmznNP/KusvFX00GaOA7bor3jeE+T3/KSaaSpCfA6GXoWHo3uB2PcjIe/9X/tKfJQ0Pw== X-Received: by 2002:a7b:cbcc:: with SMTP id n12mr38361wmi.105.1597949487036; Thu, 20 Aug 2020 11:51:27 -0700 (PDT) Received: from debian-brgl.home (lfbn-nic-1-68-20.w2-15.abo.wanadoo.fr. [2.15.159.20]) by smtp.gmail.com with ESMTPSA id q2sm5694019wro.8.2020.08.20.11.51.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 20 Aug 2020 11:51:26 -0700 (PDT) From: Bartosz Golaszewski To: Jonathan Cameron , Hartmut Knaack , Lars-Peter Clausen , Peter Meerwald-Stadler , Michal Simek , Greg Kroah-Hartman , Guenter Roeck , Andy Shevchenko Cc: linux-iio@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Bartosz Golaszewski , Jonathan Cameron Subject: [PATCH v8 3/3] iio: adc: xilinx-xadc: use devm_krealloc() Date: Thu, 20 Aug 2020 20:51:10 +0200 Message-Id: <20200820185110.17828-4-brgl@bgdev.pl> X-Mailer: git-send-email 2.26.1 In-Reply-To: <20200820185110.17828-1-brgl@bgdev.pl> References: <20200820185110.17828-1-brgl@bgdev.pl> MIME-Version: 1.0 Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org From: Bartosz Golaszewski Use the managed variant of krealloc() and shrink the code a bit. Signed-off-by: Bartosz Golaszewski Acked-by: Jonathan Cameron --- drivers/iio/adc/xilinx-xadc-core.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/drivers/iio/adc/xilinx-xadc-core.c b/drivers/iio/adc/xilinx-xadc-core.c index d0b7ef296afb..f93c34fe5873 100644 --- a/drivers/iio/adc/xilinx-xadc-core.c +++ b/drivers/iio/adc/xilinx-xadc-core.c @@ -1092,6 +1092,7 @@ MODULE_DEVICE_TABLE(of, xadc_of_match_table); static int xadc_parse_dt(struct iio_dev *indio_dev, struct device_node *np, unsigned int *conf) { + struct device *dev = indio_dev->dev.parent; struct xadc *xadc = iio_priv(indio_dev); struct iio_chan_spec *channels, *chan; struct device_node *chan_node, *child; @@ -1136,7 +1137,8 @@ static int xadc_parse_dt(struct iio_dev *indio_dev, struct device_node *np, *conf |= XADC_CONF0_MUX | XADC_CONF0_CHAN(ext_mux_chan); } - channels = kmemdup(xadc_channels, sizeof(xadc_channels), GFP_KERNEL); + channels = devm_kmemdup(dev, xadc_channels, + sizeof(xadc_channels), GFP_KERNEL); if (!channels) return -ENOMEM; @@ -1172,8 +1174,9 @@ static int xadc_parse_dt(struct iio_dev *indio_dev, struct device_node *np, of_node_put(chan_node); indio_dev->num_channels = num_channels; - indio_dev->channels = krealloc(channels, sizeof(*channels) * - num_channels, GFP_KERNEL); + indio_dev->channels = devm_krealloc(dev, channels, + sizeof(*channels) * num_channels, + GFP_KERNEL); /* If we can't resize the channels array, just use the original */ if (!indio_dev->channels) indio_dev->channels = channels; @@ -1225,14 +1228,14 @@ static int xadc_probe(struct platform_device *pdev) ret = xadc_parse_dt(indio_dev, pdev->dev.of_node, &conf0); if (ret) - goto err_device_free; + return ret; if (xadc->ops->flags & XADC_FLAGS_BUFFERED) { ret = iio_triggered_buffer_setup(indio_dev, &iio_pollfunc_store_time, &xadc_trigger_handler, &xadc_buffer_ops); if (ret) - goto err_device_free; + return ret; xadc->convst_trigger = xadc_alloc_trigger(indio_dev, "convst"); if (IS_ERR(xadc->convst_trigger)) { @@ -1350,8 +1353,6 @@ static int xadc_probe(struct platform_device *pdev) err_triggered_buffer_cleanup: if (xadc->ops->flags & XADC_FLAGS_BUFFERED) iio_triggered_buffer_cleanup(indio_dev); -err_device_free: - kfree(indio_dev->channels); return ret; } @@ -1371,7 +1372,6 @@ static int xadc_remove(struct platform_device *pdev) cancel_delayed_work_sync(&xadc->zynq_unmask_work); clk_disable_unprepare(xadc->clk); kfree(xadc->data); - kfree(indio_dev->channels); return 0; }