In the unlikely case were the firmware is new enough but the actual USB command
still fails make sure we set a random address and return.
Signed-off-by: Stefan Schmidt <stefan@xxxxxxxxxxxxxxx>
---
drivers/net/ieee802154/atusb.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ieee802154/atusb.c b/drivers/net/ieee802154/atusb.c
index fa3e8c3..67790f8 100644
--- a/drivers/net/ieee802154/atusb.c
+++ b/drivers/net/ieee802154/atusb.c
@@ -737,8 +737,11 @@ static int atusb_set_extended_addr(struct atusb *atusb)
ret = atusb_control_msg(atusb, usb_rcvctrlpipe(usb_dev, 0),
ATUSB_EUI64_READ, ATUSB_REQ_FROM_DEV, 0, 0,
buffer, IEEE802154_EXTENDED_ADDR_LEN, 1000);
- if (ret < 0)
- dev_err(&usb_dev->dev, "failed to fetch extended address\n");
+ if (ret < 0) {
+ dev_err(&usb_dev->dev, "failed to fetch extended address, random address set\n");
+ ieee802154_random_extended_addr(&atusb->hw->phy->perm_extended_addr);
+ return ret;
+ }
memcpy(&extended_addr, buffer, IEEE802154_EXTENDED_ADDR_LEN);
/* Check if read address is not empty and the unicast bit is set correctly */
--
2.5.5
--
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