usb: gadget: ethernet: re-use %pM specifier to print MAC

Instead of custom approach the patch converts code to use %pM specifier to
print MAC.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

diff --git a/drivers/usb/gadget/function/u_ether.c b/drivers/usb/gadget/function/u_ether.c
index 6e6f876..f1fd777 100644 (file)
--- a/drivers/usb/gadget/function/u_ether.c
+++ b/drivers/usb/gadget/function/u_ether.c
@@ -729,9 +729,7 @@ static int get_ether_addr_str(u8 dev_addr[ETH_ALEN], char *str, int len)
        if (len < 18)
                return -EINVAL;
 
-       snprintf(str, len, "%02x:%02x:%02x:%02x:%02x:%02x",
-                dev_addr[0], dev_addr[1], dev_addr[2],
-                dev_addr[3], dev_addr[4], dev_addr[5]);
+       snprintf(str, len, "%pM", dev_addr);
        return 18;
 }