From bf5125d5e0759a0f513b1bcd33c15edc0cf4c17b Mon Sep 17 00:00:00 2001
From: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Date: Mon, 17 Aug 2015 09:19:03 -0700
Subject: [PATCH] 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>
---
 drivers/watchdog/at91rm9200_wdt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/watchdog/at91rm9200_wdt.c b/drivers/watchdog/at91rm9200_wdt.c
index 41cecb55766c..464bf76842a4 100644
--- a/drivers/watchdog/at91rm9200_wdt.c
+++ b/drivers/watchdog/at91rm9200_wdt.c
@@ -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);
-- 
2.20.1