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Tue, 16 Aug 2022 23:11:34 -0700 From: Swati Agarwal To: , , , , CC: , , , , , , , , , , Subject: [PATCH v2 1/3] dmaengine: xilinx_dma: Fix devm_platform_ioremap_resource error handling Date: Wed, 17 Aug 2022 11:41:23 +0530 Message-ID: <20220817061125.4720-2-swati.agarwal@xilinx.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220817061125.4720-1-swati.agarwal@xilinx.com> References: <20220817061125.4720-1-swati.agarwal@xilinx.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 020ff5cf-0077-4dc3-1bd3-08da801756c1 X-MS-TrafficTypeDiagnostic: BL3PR02MB8985:EE_ X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:149.199.62.198;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:xsj-pvapexch02.xlnx.xilinx.com;PTR:unknown-62-198.xilinx.com;CAT:NONE;SFS:(13230016)(4636009)(136003)(376002)(396003)(39860400002)(346002)(36840700001)(40470700004)(46966006)(83380400001)(356005)(7636003)(36860700001)(44832011)(8936002)(40480700001)(5660300002)(7416002)(9786002)(36756003)(70586007)(70206006)(2906002)(4326008)(316002)(6666004)(426003)(54906003)(26005)(110136005)(186003)(8676002)(1076003)(41300700001)(2616005)(336012)(478600001)(47076005)(40460700003)(82740400003)(82310400005)(7696005)(102446001);DIR:OUT;SFP:1101; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add missing cleanup in devm_platform_ioremap_resource(). When probe fails remove dma channel resources and disable clocks in accordance with the order of resources allocated . Signed-off-by: Swati Agarwal --- drivers/dma/xilinx/xilinx_dma.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c index cd62bbb50e8b..ba0dccaa8cf1 100644 --- a/drivers/dma/xilinx/xilinx_dma.c +++ b/drivers/dma/xilinx/xilinx_dma.c @@ -3160,9 +3160,10 @@ static int xilinx_dma_probe(struct platform_device *pdev) /* Request and map I/O memory */ xdev->regs = devm_platform_ioremap_resource(pdev, 0); - if (IS_ERR(xdev->regs)) - return PTR_ERR(xdev->regs); - + if (IS_ERR(xdev->regs)) { + err = PTR_ERR(xdev->regs); + goto disable_clks; + } /* Retrieve the DMA engine properties from the device tree */ xdev->max_buffer_len = GENMASK(XILINX_DMA_MAX_TRANS_LEN_MAX - 1, 0); xdev->s2mm_chan_id = xdev->dma_config->max_channels / 2; @@ -3259,7 +3260,7 @@ static int xilinx_dma_probe(struct platform_device *pdev) for_each_child_of_node(node, child) { err = xilinx_dma_child_probe(xdev, child); if (err < 0) - goto disable_clks; + goto error; } if (xdev->dma_config->dmatype == XDMA_TYPE_VDMA) { @@ -3294,12 +3295,12 @@ static int xilinx_dma_probe(struct platform_device *pdev) return 0; -disable_clks: - xdma_disable_allclks(xdev); error: for (i = 0; i < xdev->dma_config->max_channels; i++) if (xdev->chan[i]) xilinx_dma_chan_remove(xdev->chan[i]); +disable_clks: + xdma_disable_allclks(xdev); return err; } -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel