Commit a7960784 authored by Jingoo Han's avatar Jingoo Han Committed by Wim Van Sebroeck

watchdog: at32ap700x_wdt: use devm_*() functions

Use devm_*() functions to make cleanup paths simpler.
Signed-off-by: default avatarJingoo Han <jg1.han@samsung.com>
Acked-by: default avatarGuenter Roeck <linux@roeck-us.net>
Signed-off-by: default avatarWim Van Sebroeck <wim@iguana.be>
parent 6d128e1e
......@@ -321,13 +321,14 @@ static int __init at32_wdt_probe(struct platform_device *pdev)
return -ENXIO;
}
wdt = kzalloc(sizeof(struct wdt_at32ap700x), GFP_KERNEL);
wdt = devm_kzalloc(&pdev->dev, sizeof(struct wdt_at32ap700x),
GFP_KERNEL);
if (!wdt) {
dev_dbg(&pdev->dev, "no memory for wdt structure\n");
return -ENOMEM;
}
wdt->regs = ioremap(regs->start, resource_size(regs));
wdt->regs = devm_ioremap(&pdev->dev, regs->start, resource_size(regs));
if (!wdt->regs) {
ret = -ENOMEM;
dev_dbg(&pdev->dev, "could not map I/O memory\n");
......@@ -342,7 +343,7 @@ static int __init at32_wdt_probe(struct platform_device *pdev)
dev_info(&pdev->dev, "CPU must be reset with external "
"reset or POR due to silicon errata.\n");
ret = -EIO;
goto err_iounmap;
goto err_free;
} else {
wdt->users = 0;
}
......@@ -375,10 +376,7 @@ static int __init at32_wdt_probe(struct platform_device *pdev)
err_register:
platform_set_drvdata(pdev, NULL);
err_iounmap:
iounmap(wdt->regs);
err_free:
kfree(wdt);
wdt = NULL;
return ret;
}
......@@ -391,8 +389,6 @@ static int __exit at32_wdt_remove(struct platform_device *pdev)
at32_wdt_stop();
misc_deregister(&wdt->miscdev);
iounmap(wdt->regs);
kfree(wdt);
wdt = NULL;
platform_set_drvdata(pdev, NULL);
}
......
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