From: Johan Hovold <jhovold@xxxxxxxxx>
Subject: drivers/rtc/rtc-at91rm9200.c: fix missing iounmap
Add missing iounmap to probe error path and remove.
Signed-off-by: Johan Hovold <jhovold@xxxxxxxxx>
Acked-by: Nicolas Ferre <nicolas.ferre@xxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/rtc/rtc-at91rm9200.c | 14 +++++++++++---
1 file changed, 11 insertions(+), 3 deletions(-)
diff -puN drivers/rtc/rtc-at91rm9200.c~drivers-rtc-rtc-at91rm9200c-fix-missing-iounmap drivers/rtc/rtc-at91rm9200.c
--- a/drivers/rtc/rtc-at91rm9200.c~drivers-rtc-rtc-at91rm9200c-fix-missing-iounmap
+++ a/drivers/rtc/rtc-at91rm9200.c
@@ -299,7 +299,7 @@ static int __init at91_rtc_probe(struct
"at91_rtc", pdev);
if (ret) {
dev_err(&pdev->dev, "IRQ %d already in use.\n", irq);
- return ret;
+ goto err_unmap;
}
/* cpu init code should really have flagged this device as
@@ -311,13 +311,20 @@ static int __init at91_rtc_probe(struct
rtc = rtc_device_register(pdev->name, &pdev->dev,
&at91_rtc_ops, THIS_MODULE);
if (IS_ERR(rtc)) {
- free_irq(irq, pdev);
- return PTR_ERR(rtc);
+ ret = PTR_ERR(rtc);
+ goto err_free_irq;
}
platform_set_drvdata(pdev, rtc);
dev_info(&pdev->dev, "AT91 Real Time Clock driver.\n");
return 0;
+
+err_free_irq:
+ free_irq(irq, pdev);
+err_unmap:
+ iounmap(at91_rtc_regs);
+
+ return ret;
}
/*
@@ -334,6 +341,7 @@ static int __exit at91_rtc_remove(struct
free_irq(irq, pdev);
rtc_device_unregister(rtc);
+ iounmap(at91_rtc_regs);
platform_set_drvdata(pdev, NULL);
return 0;
_
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