linux-kernel - [PATCH v2] leds: syscon: Correct check for syscon_node_to

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Message-ID: <1439925926-3174-1-git-send-email-bjorn.andersson@sonymobile.com>
Date:	Tue, 18 Aug 2015 12:25:26 -0700
From:	Bjorn Andersson <bjorn.andersson@...ymobile.com>
To:	Bryan Wu <cooloney@...il.com>, Richard Purdie <rpurdie@...ys.net>,
	Jacek Anaszewski <j.anaszewski@...sung.com>
CC:	Linus Walleij <linus.walleij@...aro.org>,
	<linux-leds@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH v2] leds: syscon: 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@...ymobile.com>
---

Changes since v1:
- Propagate the error

 drivers/leds/leds-syscon.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/leds/leds-syscon.c b/drivers/leds/leds-syscon.c
index d1660b039812..b88900d721e4 100644
--- a/drivers/leds/leds-syscon.c
+++ b/drivers/leds/leds-syscon.c
@@ -83,9 +83,9 @@ static int syscon_led_probe(struct platform_device *pdev)
 		return -ENODEV;
 	}
 	map = syscon_node_to_regmap(parent->of_node);
-	if (!map) {
+	if (IS_ERR(map)) {
 		dev_err(dev, "no regmap for syscon LED parent\n");
-		return -ENODEV;
+		return PTR_ERR(map);
 	}
 
 	sled = devm_kzalloc(dev, sizeof(*sled), GFP_KERNEL);
-- 
1.8.2.2

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