Re: [PATCH] watchdog: fix clk_get() error check

[Wim Van Sebroeck]

Hi Ben,

> On Tue, Dec 19, 2006 at 05:51:44PM +0900, Akinobu Mita wrote:
> > The return value of clk_get() should be checked by IS_ERR().
> 
> thanks for spotting this, but this will probably clash with
> a cleanup patch I sent a day or two ago to streamline the
> exit path in the driver.
> 
> see http://lkml.org/lkml/2006/12/18/65

It did, but I modified it slightly so that it worked with your
previous patch also. Can you test below patch?

Thanks,
Wim.

--- 2.6-mm.orig/drivers/char/watchdog/s3c2410_wdt.c
+++ 2.6-mm/drivers/char/watchdog/s3c2410_wdt.c
@@ -393,9 +393,9 @@
 	}
 
 	wdt_clock = clk_get(&pdev->dev, "watchdog");
-	if (wdt_clock == NULL) {
+	if (IS_ERR(wdt_clock)) {
 		printk(KERN_INFO PFX "failed to find watchdog clock source\n");
-		ret =  -ENOENT;
+		ret = PTR_ERR(wdt_clock);
 		goto err_irq;
 	}
 
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