power: supply: ltc3651-charger: fix some error codes in probe

There are several cut and past bugs here.  ltc3651_charger->charger is
NULL at this point, so we return success instead of the intended error
codes.

Fixes: c94d4ed017ae ("power: supply: Add ltc3651-charger driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
[Wei Yongjun found the same issue independently]
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Acked-by: Mike Looijmans <mike.looijmans@topic.nl>
Signed-off-by: Sebastian Reichel <sre@kernel.org>

drivers/power/supply/ltc3651-charger.c

@@ -110,21 +110,21 @@ static int ltc3651_charger_probe(struct platform_device *pdev)
 	ltc3651_charger->acpr_gpio = devm_gpiod_get(&pdev->dev,
 					"lltc,acpr", GPIOD_IN);
 	if (IS_ERR(ltc3651_charger->acpr_gpio)) {
-		ret = PTR_ERR(ltc3651_charger->charger);
+		ret = PTR_ERR(ltc3651_charger->acpr_gpio);
 		dev_err(&pdev->dev, "Failed to acquire acpr GPIO: %d\n", ret);
 		return ret;
 	}
 	ltc3651_charger->fault_gpio = devm_gpiod_get_optional(&pdev->dev,
 					"lltc,fault", GPIOD_IN);
 	if (IS_ERR(ltc3651_charger->fault_gpio)) {
-		ret = PTR_ERR(ltc3651_charger->charger);
+		ret = PTR_ERR(ltc3651_charger->fault_gpio);
 		dev_err(&pdev->dev, "Failed to acquire fault GPIO: %d\n", ret);
 		return ret;
 	}
 	ltc3651_charger->chrg_gpio = devm_gpiod_get_optional(&pdev->dev,
 					"lltc,chrg", GPIOD_IN);
 	if (IS_ERR(ltc3651_charger->chrg_gpio)) {
-		ret = PTR_ERR(ltc3651_charger->charger);
+		ret = PTR_ERR(ltc3651_charger->chrg_gpio);
 		dev_err(&pdev->dev, "Failed to acquire chrg GPIO: %d\n", ret);
 		return ret;
 	}