| Message ID | 20211020155617.1721694-4-kuba@kernel.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | None | expand |
Jakub Kicinski <kuba@kernel.org> writes: > 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> Acked-by: Bjørn Mork <bjorn@mork.no>
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index 33ada2c59952..86b814e99224 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -835,8 +835,11 @@ static int qmi_wwan_bind(struct usbnet *dev, struct usb_interface *intf) /* make MAC addr easily distinguishable from an IP header */ if (possibly_iphdr(dev->net->dev_addr)) { - dev->net->dev_addr[0] |= 0x02; /* set local assignment bit */ - dev->net->dev_addr[0] &= 0xbf; /* clear "IP" bit */ + u8 addr = dev->net->dev_addr[0]; + + addr |= 0x02; /* set local assignment bit */ + addr &= 0xbf; /* clear "IP" bit */ + dev_addr_mod(dev->net, 0, &addr, 1); } dev->net->netdev_ops = &qmi_wwan_netdev_ops; dev->net->sysfs_groups[0] = &qmi_wwan_sysfs_attr_group;
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: bjorn@mork.no CC: linux-usb@vger.kernel.org --- drivers/net/usb/qmi_wwan.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)