diff mbox series

[2/2] bluetooth: use dev_addr_set()

Message ID 20211019163346.1384785-2-kuba@kernel.org (mailing list archive)
State Accepted
Delegated to: Marcel Holtmann
Headers show
Series [1/2] bluetooth: use eth_hw_addr_set() | expand

Checks

Context Check Description
tedd_an/checkpatch success Checkpatch PASS
tedd_an/gitlint success Gitlint PASS

Commit Message

Jakub Kicinski Oct. 19, 2021, 4:33 p.m. UTC
Commit 406f42fa0d3c ("net-next: When a bond have a massive amount
of VLANs...") introduced a rbtree for faster Ethernet address look
up. To maintain netdev->dev_addr in this tree we need to make all
the writes to it got through appropriate helpers.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
CC: marcel@holtmann.org
CC: johan.hedberg@gmail.com
CC: luiz.dentz@gmail.com
CC: linux-bluetooth@vger.kernel.org
---
 net/bluetooth/6lowpan.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

Comments

Marcel Holtmann Oct. 19, 2021, 6:27 p.m. UTC | #1
Hi Jakub,

> Commit 406f42fa0d3c ("net-next: When a bond have a massive amount
> of VLANs...") introduced a rbtree for faster Ethernet address look
> up. To maintain netdev->dev_addr in this tree we need to make all
> the writes to it got through appropriate helpers.
> 
> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
> ---
> CC: marcel@holtmann.org
> CC: johan.hedberg@gmail.com
> CC: luiz.dentz@gmail.com
> CC: linux-bluetooth@vger.kernel.org
> ---
> net/bluetooth/6lowpan.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)

please also take this directly via net-next.

Acked-by: Marcel Holtmann <marcel@holtmann.org>
Reviewed-by: Marcel Holtmann <marcel@holtmann.org>

Regards

Marcel
diff mbox series

Patch

diff --git a/net/bluetooth/6lowpan.c b/net/bluetooth/6lowpan.c
index fd164a248569..133d7ea063fb 100644
--- a/net/bluetooth/6lowpan.c
+++ b/net/bluetooth/6lowpan.c
@@ -663,6 +663,7 @@  static struct l2cap_chan *add_peer_chan(struct l2cap_chan *chan,
 static int setup_netdev(struct l2cap_chan *chan, struct lowpan_btle_dev **dev)
 {
 	struct net_device *netdev;
+	bdaddr_t addr;
 	int err;
 
 	netdev = alloc_netdev(LOWPAN_PRIV_SIZE(sizeof(struct lowpan_btle_dev)),
@@ -672,7 +673,8 @@  static int setup_netdev(struct l2cap_chan *chan, struct lowpan_btle_dev **dev)
 		return -ENOMEM;
 
 	netdev->addr_assign_type = NET_ADDR_PERM;
-	baswap((void *)netdev->dev_addr, &chan->src);
+	baswap(&addr, &chan->src);
+	__dev_addr_set(netdev, &addr, sizeof(addr));
 
 	netdev->netdev_ops = &netdev_ops;
 	SET_NETDEV_DEV(netdev, &chan->conn->hcon->hdev->dev);