rtc: rtc-pcap: use devm_*() functions
Use devm_*() functions to make cleanup paths simpler.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/rtc/rtc-pcap.c b/drivers/rtc/rtc-pcap.c
index ce09824..539a90b 100644
--- a/drivers/rtc/rtc-pcap.c
+++ b/drivers/rtc/rtc-pcap.c
@@ -145,7 +145,8 @@
int timer_irq, alarm_irq;
int err = -ENOMEM;
- pcap_rtc = kmalloc(sizeof(struct pcap_rtc), GFP_KERNEL);
+ pcap_rtc = devm_kzalloc(&pdev->dev, sizeof(struct pcap_rtc),
+ GFP_KERNEL);
if (!pcap_rtc)
return err;
@@ -153,45 +154,34 @@
platform_set_drvdata(pdev, pcap_rtc);
- pcap_rtc->rtc = rtc_device_register("pcap", &pdev->dev,
- &pcap_rtc_ops, THIS_MODULE);
+ pcap_rtc->rtc = devm_rtc_device_register(&pdev->dev, "pcap",
+ &pcap_rtc_ops, THIS_MODULE);
if (IS_ERR(pcap_rtc->rtc)) {
err = PTR_ERR(pcap_rtc->rtc);
- goto fail_rtc;
+ goto fail;
}
-
timer_irq = pcap_to_irq(pcap_rtc->pcap, PCAP_IRQ_1HZ);
alarm_irq = pcap_to_irq(pcap_rtc->pcap, PCAP_IRQ_TODA);
- err = request_irq(timer_irq, pcap_rtc_irq, 0, "RTC Timer", pcap_rtc);
+ err = devm_request_irq(&pdev->dev, timer_irq, pcap_rtc_irq, 0,
+ "RTC Timer", pcap_rtc);
if (err)
- goto fail_timer;
+ goto fail;
- err = request_irq(alarm_irq, pcap_rtc_irq, 0, "RTC Alarm", pcap_rtc);
+ err = devm_request_irq(&pdev->dev, alarm_irq, pcap_rtc_irq, 0,
+ "RTC Alarm", pcap_rtc);
if (err)
- goto fail_alarm;
+ goto fail;
return 0;
-fail_alarm:
- free_irq(timer_irq, pcap_rtc);
-fail_timer:
- rtc_device_unregister(pcap_rtc->rtc);
-fail_rtc:
+fail:
platform_set_drvdata(pdev, NULL);
- kfree(pcap_rtc);
return err;
}
static int __exit pcap_rtc_remove(struct platform_device *pdev)
{
- struct pcap_rtc *pcap_rtc = platform_get_drvdata(pdev);
-
- free_irq(pcap_to_irq(pcap_rtc->pcap, PCAP_IRQ_1HZ), pcap_rtc);
- free_irq(pcap_to_irq(pcap_rtc->pcap, PCAP_IRQ_TODA), pcap_rtc);
- rtc_device_unregister(pcap_rtc->rtc);
- kfree(pcap_rtc);
-
return 0;
}