From 3427de92ac70a064098ff843c72ac76c420bb1cb Mon Sep 17 00:00:00 2001 From: Johan Hovold Date: Mon, 29 Apr 2013 16:21:05 -0700 Subject: [PATCH] drivers/rtc/rtc-at91rm9200.c: fix missing iounmap Add missing iounmap to probe error path and remove. Signed-off-by: Johan Hovold Acked-by: Nicolas Ferre Cc: Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/rtc/rtc-at91rm9200.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/drivers/rtc/rtc-at91rm9200.c b/drivers/rtc/rtc-at91rm9200.c index a654071f57df..0eab77b22340 100644 --- a/drivers/rtc/rtc-at91rm9200.c +++ b/drivers/rtc/rtc-at91rm9200.c @@ -299,7 +299,7 @@ static int __init at91_rtc_probe(struct platform_device *pdev) "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 platform_device *pdev) 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 platform_device *pdev) free_irq(irq, pdev); rtc_device_unregister(rtc); + iounmap(at91_rtc_regs); platform_set_drvdata(pdev, NULL); return 0;