watchdog: at91rm9200: Correct check for syscon_node_to_regmap() errors

syscon_node_to_regmap() returns a regmap or an ERR_PTR().

Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
This commit is contained in:
Bjorn Andersson 2015-08-17 09:19:03 -07:00 committed by Wim Van Sebroeck
parent a97a09bd11
commit bf5125d5e0

View file

@ -244,7 +244,7 @@ static int at91wdt_probe(struct platform_device *pdev)
}
regmap_st = syscon_node_to_regmap(parent->of_node);
if (!regmap_st)
if (IS_ERR(regmap_st))
return -ENODEV;
res = misc_register(&at91wdt_miscdev);