diff --git a/drivers/usb/gadget/u_ether.c b/drivers/usb/gadget/u_ether.c index 934b8bacfeeb..f41d23c5f5cb 100644 --- a/drivers/usb/gadget/u_ether.c +++ b/drivers/usb/gadget/u_ether.c @@ -1224,8 +1224,17 @@ int gether_setup_name(struct usb_gadget *g, u8 ethaddr[ETH_ALEN], dev_warn(&g->dev, "using random %s ethernet address\n", "self"); #ifdef CONFIG_USB_ANDROID_SAMSUNG_COMPOSITE + if ((ethaddr[0] == 0x00) && (ethaddr[1] == 0x00) && + (ethaddr[2] == 0x00) && (ethaddr[3] == 0x00) && + (ethaddr[4] == 0x00) && (ethaddr[5] == 0x00)) { + printk(KERN_DEBUG "%s: no unique host MAC was set, generate random\n", __func__); + /* we can use random_ether_addr() from include/linux/etherdevice.h */ + random_ether_addr(ethaddr); + } else { + printk(KERN_DEBUG "%s: set unique host mac\n", __func__); + } memcpy(dev->host_mac, ethaddr, ETH_ALEN); - printk(KERN_DEBUG "usb: set unique host mac\n"); + #else if (get_ether_addr(host_addr, dev->host_mac)) dev_warn(&g->dev,