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drivers/rtc/rtc-pl030.c: use devm_kzalloc() instead of kmalloc()

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In order to be free automatically and make the cleanup paths more simple,
use devm_kzalloc() instead of kmalloc().

Signed-off-by: Sangjung Woo <[email protected]>
Cc: Joe Perches <[email protected]>
Cc: Alessandro Zummo <[email protected]>
Cc: Russell King <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Sangjung Woo 2013-11-12 15:11:02 -08:00 • committed by Linus Torvalds
commit 58c181c825
1 changed files with 2 additions and 5 deletions
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7
drivers/rtc/rtc-pl030.c
View file

@ -106,7 +106,7 @@ static int pl030_probe(struct amba_device *dev, const struct amba_id *id)
if (ret)
goto err_req;
rtc = kmalloc(sizeof(*rtc), GFP_KERNEL);
rtc = devm_kzalloc(&dev->dev, sizeof(*rtc), GFP_KERNEL);
if (!rtc) {
ret = -ENOMEM;
goto err_rtc;
@ -115,7 +115,7 @@ static int pl030_probe(struct amba_device *dev, const struct amba_id *id)
rtc->base = ioremap(dev->res.start, resource_size(&dev->res));
if (!rtc->base) {
ret = -ENOMEM;
goto err_map;
goto err_rtc;
}
__raw_writel(0, rtc->base + RTC_CR);
@ -141,8 +141,6 @@ static int pl030_probe(struct amba_device *dev, const struct amba_id *id)
free_irq(dev->irq[0], rtc);
err_irq:
iounmap(rtc->base);
err_map:
kfree(rtc);
err_rtc:
amba_release_regions(dev);
err_req:
@ -158,7 +156,6 @@ static int pl030_remove(struct amba_device *dev)
free_irq(dev->irq[0], rtc);
rtc_device_unregister(rtc->rtc);
iounmap(rtc->base);
kfree(rtc);
amba_release_regions(dev);
return 0;