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Commit 2fd2b550 authored by Stefan Schmidt's avatar Stefan Schmidt Committed by Marcel Holtmann
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ieee802154: atusb: make sure we set a randaom extended address if fetching fails 



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: default avatarStefan Schmidt <stefan@osg.samsung.com>
Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
parent 05a974ef

drivers/net/ieee802154/atusb.c

+5 −2
Original line number Diff line number Diff line
@@ -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 */