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authorSangjung Woo <sangjung.woo@samsung.com>2013-11-12 15:11:02 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2013-11-13 12:09:31 +0900
commit58c181c8255b8f23c5772b4c4d2328450a95081f (patch)
tree11e81d53df4782cdf7002853d21cdf918c1deb6f /drivers/rtc
parent1fbc4c4d79e63709b919bc1a72e991c29ea13f4c (diff)
downloadop-kernel-dev-58c181c8255b8f23c5772b4c4d2328450a95081f.zip
op-kernel-dev-58c181c8255b8f23c5772b4c4d2328450a95081f.tar.gz
drivers/rtc/rtc-pl030.c: use devm_kzalloc() instead of kmalloc()
In order to be free automatically and make the cleanup paths more simple, use devm_kzalloc() instead of kmalloc(). Signed-off-by: Sangjung Woo <sangjung.woo@samsung.com> Cc: Joe Perches <joe@perches.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/rtc')
-rw-r--r--drivers/rtc/rtc-pl030.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/rtc/rtc-pl030.c b/drivers/rtc/rtc-pl030.c
index a804f75..f85a1a9 100644
--- a/drivers/rtc/rtc-pl030.c
+++ b/drivers/rtc/rtc-pl030.c
@@ -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;
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