From: Jonghwa Lee <jonghwa3.lee@samsung.com>
To: anton.vorontsov@linaro.org
Cc: linux-kernel@vger.kernel.org, Jonghwa Lee <jonghwa3.lee@samsung.com>,
        Myungjoo Ham <myungjoo.ham@samsung.com>
Subject: [PATCH 1/2] power: charger-manager: regulator_get() never returns NULL.
Date: Tue, 25 Jun 2013 14:02:48 +0900
Message-id: <1372136569-551-1-git-send-email-jonghwa3.lee@samsung.com>
DLP-Filter: Pass
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 1180
Lines: 31

This patch fixes return value checking of regulator_get() in charger-manager
driver. The API, regulator_get(), returns ERR_PTR() when it fails to get
regulator with given name, not NULL.

Signed-off-by: Jonghwa Lee <jonghwa3.lee@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
---
 drivers/power/charger-manager.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/power/charger-manager.c b/drivers/power/charger-manager.c
index ba42029..7d1bcde 100644
--- a/drivers/power/charger-manager.c
+++ b/drivers/power/charger-manager.c
@@ -1239,7 +1239,7 @@ static int charger_manager_register_extcon(struct charger_manager *cm)
 
 		charger->consumer = regulator_get(cm->dev,
 					charger->regulator_name);
-		if (charger->consumer == NULL) {
+		if (IS_ERR(charger->consumer)) {
 			dev_err(cm->dev, "Cannot find charger(%s)\n",
 				charger->regulator_name);
 			ret = -EINVAL;
-- 
1.7.9.5

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/