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| author | Devendra Naga <devendra.aaru@gmail.com> | 2012-12-17 16:02:41 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-12-17 17:15:21 -0800 |
| commit | f288cf416ec22de3c5bc18148b6f7620aa32409b (patch) | |
| tree | afaac208fbd83543c3166a6c21acb2452e98f96f | |
| parent | 9ed39bf931cbd95b30755dcb1ad724fe05565c3f (diff) | |
| download | lwn-f288cf416ec22de3c5bc18148b6f7620aa32409b.tar.gz lwn-f288cf416ec22de3c5bc18148b6f7620aa32409b.zip | |
rtc: rtc-davinci: use devm_kzalloc()
Use devm_kzalloc() and remove the error path free and the unload free as
devm functions take care of freeing resources.
Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Miguel Aguilar <miguel.aguilar@ridgerun.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | drivers/rtc/rtc-davinci.c | 16 |
1 files changed, 4 insertions, 12 deletions
diff --git a/drivers/rtc/rtc-davinci.c b/drivers/rtc/rtc-davinci.c index fd95316743c9..07cd03eae606 100644 --- a/drivers/rtc/rtc-davinci.c +++ b/drivers/rtc/rtc-davinci.c @@ -485,7 +485,7 @@ static int __init davinci_rtc_probe(struct platform_device *pdev) struct resource *res, *mem; int ret = 0; - davinci_rtc = kzalloc(sizeof(struct davinci_rtc), GFP_KERNEL); + davinci_rtc = devm_kzalloc(&pdev->dev, sizeof(struct davinci_rtc), GFP_KERNEL); if (!davinci_rtc) { dev_dbg(dev, "could not allocate memory for private data\n"); return -ENOMEM; @@ -494,15 +494,13 @@ static int __init davinci_rtc_probe(struct platform_device *pdev) davinci_rtc->irq = platform_get_irq(pdev, 0); if (davinci_rtc->irq < 0) { dev_err(dev, "no RTC irq\n"); - ret = davinci_rtc->irq; - goto fail1; + return davinci_rtc->irq; } res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!res) { dev_err(dev, "no mem resource\n"); - ret = -EINVAL; - goto fail1; + return -EINVAL; } davinci_rtc->pbase = res->start; @@ -513,8 +511,7 @@ static int __init davinci_rtc_probe(struct platform_device *pdev) if (!mem) { dev_err(dev, "RTC registers at %08x are not free\n", davinci_rtc->pbase); - ret = -EBUSY; - goto fail1; + return -EBUSY; } davinci_rtc->base = ioremap(davinci_rtc->pbase, davinci_rtc->base_size); @@ -567,9 +564,6 @@ fail3: iounmap(davinci_rtc->base); fail2: release_mem_region(davinci_rtc->pbase, davinci_rtc->base_size); -fail1: - kfree(davinci_rtc); - return ret; } @@ -590,8 +584,6 @@ static int __devexit davinci_rtc_remove(struct platform_device *pdev) platform_set_drvdata(pdev, NULL); - kfree(davinci_rtc); - return 0; } |