diff options
| -rw-r--r-- | src/drivers/net/ecm.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/drivers/net/ecm.c b/src/drivers/net/ecm.c index f2d9161c..847a45b8 100644 --- a/src/drivers/net/ecm.c +++ b/src/drivers/net/ecm.c @@ -101,13 +101,18 @@ int ecm_fetch_mac ( struct usb_device *usb, } /* Sanity check */ - if ( len != ( ( int ) ( sizeof ( buf ) - 1 /* NUL */ ) ) ) + if ( len != ( ( int ) ( sizeof ( buf ) - 1 /* NUL */ ) ) ) { + DBGC ( usb, "USB %s has invalid ECM MAC \"%s\"\n", + usb->name, buf ); return -EINVAL; + } /* Decode MAC address */ len = base16_decode ( buf, hw_addr, ETH_ALEN ); if ( len < 0 ) { rc = len; + DBGC ( usb, "USB %s could not decode ECM MAC \"%s\": %s\n", + usb->name, buf, strerror ( rc ) ); return rc; } |