usb: phy: fix return value check of usb_get_phy

usb_get_phy will return -ENODEV if it's not able to find the phy. Hence
fixed all the callers of usb_get_phy to check for this error condition
instead of relying on a non-zero value as success condition.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/power/ab8500_charger.c b/drivers/power/ab8500_charger.c
index 6bd6f1c41967..d4f0c98428cb 100644
--- a/drivers/power/ab8500_charger.c
+++ b/drivers/power/ab8500_charger.c
@@ -2689,7 +2689,7 @@ static int __devinit ab8500_charger_probe(struct platform_device *pdev)
         }
 
         di->usb_phy = usb_get_phy(USB_PHY_TYPE_USB2);
-        if (!di->usb_phy) {
+        if (IS_ERR_OR_NULL(di->usb_phy)) {
                 dev_err(di->dev, "failed to get usb transceiver\n");
                 ret = -EINVAL;
                 goto free_usb;