linux-kernel - [PATCH 5/5] ioremap balanced with iounmap for drivers/char/watchdog/s3c2410

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Date:	Fri, 06 Oct 2006 10:27:07 +0530
From:	Amol Lad <amol@...ismonetworks.com>
To:	linux kernel <linux-kernel@...r.kernel.org>
Cc:	Andrew Morton <akpm@...l.org>
Subject: [PATCH 5/5] ioremap balanced with iounmap for
	drivers/char/watchdog/s3c2410_wdt.c

Signed-off-by: Amol Lad <amol@...ismonetworks.com>
---
 s3c2410_wdt.c |    5 +++++
 1 files changed, 5 insertions(+)
---
diff -uprN -X linux-2.6.19-rc1-orig/Documentation/dontdiff linux-2.6.19-rc1-orig/drivers/char/watchdog/s3c2410_wdt.c linux-2.6.19-rc1/drivers/char/watchdog/s3c2410_wdt.c
--- linux-2.6.19-rc1-orig/drivers/char/watchdog/s3c2410_wdt.c	2006-10-05 14:00:43.000000000 +0530
+++ linux-2.6.19-rc1/drivers/char/watchdog/s3c2410_wdt.c	2006-10-05 14:50:00.000000000 +0530
@@ -381,18 +381,21 @@ static int s3c2410wdt_probe(struct platf
 	res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
 	if (res == NULL) {
 		printk(KERN_INFO PFX "failed to get irq resource\n");
+		iounmap(wdt_base);
 		return -ENOENT;
 	}
 
 	ret = request_irq(res->start, s3c2410wdt_irq, 0, pdev->name, pdev);
 	if (ret != 0) {
 		printk(KERN_INFO PFX "failed to install irq (%d)\n", ret);
+		iounmap(wdt_base);
 		return ret;
 	}
 
 	wdt_clock = clk_get(&pdev->dev, "watchdog");
 	if (wdt_clock == NULL) {
 		printk(KERN_INFO PFX "failed to find watchdog clock source\n");
+		iounmap(wdt_base);
 		return -ENOENT;
 	}
 
@@ -416,6 +419,7 @@ static int s3c2410wdt_probe(struct platf
 	if (ret) {
 		printk (KERN_ERR PFX "cannot register miscdev on minor=%d (%d)\n",
 			WATCHDOG_MINOR, ret);
+		iounmap(wdt_base);
 		return ret;
 	}
 
@@ -452,6 +456,7 @@ static int s3c2410wdt_remove(struct plat
 		wdt_clock = NULL;
 	}
 
+	iounmap(wdt_base);
 	misc_deregister(&s3c2410wdt_miscdev);
 	return 0;
 }


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