[PATCH v3 06/10] net: usb: support of_get_mac_address new ERR_PTR error

[Petr Åtetiar]

There was NVMEM support added to of_get_mac_address, so it could now
return NULL and ERR_PTR encoded error values, so we need to adjust all
current users of of_get_mac_address to this new fact.

Signed-off-by: Petr Åtetiar <ynezz@xxxxxxx>
---
 drivers/net/usb/smsc75xx.c | 2 +-
 drivers/net/usb/smsc95xx.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/usb/smsc75xx.c b/drivers/net/usb/smsc75xx.c
index ec287c9..7acfa64 100644
--- a/drivers/net/usb/smsc75xx.c
+++ b/drivers/net/usb/smsc75xx.c
@@ -774,7 +774,7 @@ static void smsc75xx_init_mac_address(struct usbnet *dev)
 
 	/* maybe the boot loader passed the MAC address in devicetree */
 	mac_addr = of_get_mac_address(dev->udev->dev.of_node);
-	if (mac_addr) {
+	if (!IS_ERR_OR_NULL(mac_addr)) {
 		memcpy(dev->net->dev_addr, mac_addr, ETH_ALEN);
 		return;
 	}
diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index e3d08626..841699f 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -917,7 +917,7 @@ static void smsc95xx_init_mac_address(struct usbnet *dev)
 
 	/* maybe the boot loader passed the MAC address in devicetree */
 	mac_addr = of_get_mac_address(dev->udev->dev.of_node);
-	if (mac_addr) {
+	if (!IS_ERR_OR_NULL(mac_addr)) {
 		memcpy(dev->net->dev_addr, mac_addr, ETH_ALEN);
 		return;
 	}
-- 
1.9.1