extcon: max14577: Return error code of extcon_dev_allocate()

devm_extcon_dev_allocate() can fail of multiple reasons.  The call
returns proper error code on failure so pass it instead of fixed ENOMEM.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
diff --git a/drivers/extcon/extcon-max14577.c b/drivers/extcon/extcon-max14577.c
index cc47d62..ace5239 100644
--- a/drivers/extcon/extcon-max14577.c
+++ b/drivers/extcon/extcon-max14577.c
@@ -713,7 +713,7 @@ static int max14577_muic_probe(struct platform_device *pdev)
 					      max14577_extcon_cable);
 	if (IS_ERR(info->edev)) {
 		dev_err(&pdev->dev, "failed to allocate memory for extcon\n");
-		return -ENOMEM;
+		return PTR_ERR(info->edev);
 	}
 
 	ret = devm_extcon_dev_register(&pdev->dev, info->edev);