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Revert "usb: gadget: prevent change of Host MAC address of 'usb0' interface"

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This reverts commit 265801537d.

Signed-off-by: Badhri Jagan Sridharan <Badhri@google.com>
This commit is contained in:
Badhri Jagan Sridharan 2016-06-27 13:33:59 -07:00 • committed by Badhri Jagan Sridharan
parent ef51a2254d
commit e639a4e74d
1 changed files with 3 additions and 18 deletions
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21
drivers/usb/gadget/function/u_ether.c
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@ -863,8 +863,6 @@ static int eth_stop(struct net_device *net)
/*-------------------------------------------------------------------------*/
static u8 host_ethaddr[ETH_ALEN];
static int get_ether_addr(const char *str, u8 *dev_addr)
{
if (str) {
@ -895,17 +893,6 @@ static int get_ether_addr_str(u8 dev_addr[ETH_ALEN], char *str, int len)
return 18;
}
static int get_host_ether_addr(u8 *str, u8 *dev_addr)
{
memcpy(dev_addr, str, ETH_ALEN);
if (is_valid_ether_addr(dev_addr))
return 0;
random_ether_addr(dev_addr);
memcpy(str, dev_addr, ETH_ALEN);
return 1;
}
static const struct net_device_ops eth_netdev_ops = {
.ndo_open = eth_open,
.ndo_stop = eth_stop,
@ -963,11 +950,9 @@ struct eth_dev *gether_setup_name(struct usb_gadget *g,
if (get_ether_addr(dev_addr, net->dev_addr))
dev_warn(&g->dev,
"using random %s ethernet address\n", "self");
if (get_host_ether_addr(host_ethaddr, dev->host_mac))
dev_warn(&g->dev, "using random %s ethernet address\n", "host");
else
dev_warn(&g->dev, "using previous %s ethernet address\n", "host");
if (get_ether_addr(host_addr, dev->host_mac))
dev_warn(&g->dev,
"using random %s ethernet address\n", "host");
if (ethaddr)
memcpy(ethaddr, dev->host_mac, ETH_ALEN);