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video: xilinxfb: Use devm_kzalloc instead of kzalloc

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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>
This commit is contained in:
Michal Simek 2013-10-10 08:30:21 +02:00 committed by Tomi Valkeinen
parent 353846fb8b
commit 5c128df747
1 changed files with 2 additions and 9 deletions
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11
drivers/video/xilinxfb.c
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@ -368,8 +368,6 @@ err_fbmem:
devm_iounmap(dev, drvdata->regs);
err_region:
kfree(drvdata);
return rc;
}
@ -402,8 +400,6 @@ static int xilinxfb_release(struct device *dev)
dcr_unmap(drvdata->dcr_host, drvdata->dcr_len);
#endif
kfree(drvdata);
return 0;
}
@ -423,11 +419,9 @@ static int xilinxfb_of_probe(struct platform_device *pdev)
pdata = xilinx_fb_default_pdata;
/* Allocate the driver data region */
drvdata = kzalloc(sizeof(*drvdata), GFP_KERNEL);
if (!drvdata) {
dev_err(&pdev->dev, "Couldn't allocate device private record\n");
drvdata = devm_kzalloc(&pdev->dev, sizeof(*drvdata), GFP_KERNEL);
if (!drvdata)
return -ENOMEM;
}
/*
* To check whether the core is connected directly to DCR or BUS
@ -451,7 +445,6 @@ static int xilinxfb_of_probe(struct platform_device *pdev)
drvdata->dcr_host = dcr_map(op->dev.of_node, start, drvdata->dcr_len);
if (!DCR_MAP_OK(drvdata->dcr_host)) {
dev_err(&op->dev, "invalid DCR address\n");
kfree(drvdata);
return -ENODEV;
}
}