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video: xilinxfb: Use devm_kzalloc instead of kzalloc
Simplify driver probe and release function. Signed-off-by: Michal Simek <michal.simek@xilinx.com> Reviewed-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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@ -368,8 +368,6 @@ static int xilinxfb_assign(struct platform_device *pdev,
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devm_iounmap(dev, drvdata->regs);
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err_region:
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kfree(drvdata);
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return rc;
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}
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@ -402,8 +400,6 @@ static int xilinxfb_release(struct device *dev)
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dcr_unmap(drvdata->dcr_host, drvdata->dcr_len);
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#endif
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kfree(drvdata);
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return 0;
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}
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@ -423,11 +419,9 @@ static int xilinxfb_of_probe(struct platform_device *pdev)
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pdata = xilinx_fb_default_pdata;
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/* Allocate the driver data region */
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drvdata = kzalloc(sizeof(*drvdata), GFP_KERNEL);
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if (!drvdata) {
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dev_err(&pdev->dev, "Couldn't allocate device private record\n");
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drvdata = devm_kzalloc(&pdev->dev, sizeof(*drvdata), GFP_KERNEL);
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if (!drvdata)
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return -ENOMEM;
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}
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/*
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* To check whether the core is connected directly to DCR or BUS
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@ -451,7 +445,6 @@ static int xilinxfb_of_probe(struct platform_device *pdev)
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drvdata->dcr_host = dcr_map(op->dev.of_node, start, drvdata->dcr_len);
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if (!DCR_MAP_OK(drvdata->dcr_host)) {
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dev_err(&op->dev, "invalid DCR address\n");
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kfree(drvdata);
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return -ENODEV;
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}
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}
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