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mac802154: use dev_addr_set() - manual 

Commit 406f42fa0d ("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>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski 2021-10-19 09:36:06 -07:00 committed by David S. Miller
parent 659f4e02f1
commit 08bb7516e5
2 changed files with 9 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
net/ieee802154/6lowpan/core.c
View File

@ -157,7 +157,7 @@ static int lowpan_newlink(struct net *src_net, struct net_device *ldev,
lowpan_802154_dev(ldev)->wdev = wdev;
/* Set the lowpan hardware address to the wpan hardware address. */
memcpy(ldev->dev_addr, wdev->dev_addr, IEEE802154_ADDR_LEN);
__dev_addr_set(ldev, wdev->dev_addr, IEEE802154_ADDR_LEN);
/* We need headroom for possible wpan_dev_hard_header call and tailroom
* for encryption/fcs handling. The lowpan interface will replace
* the IPv6 header with 6LoWPAN header. At worst case the 6LoWPAN

15
net/mac802154/iface.c
View File

@ -136,8 +136,7 @@ static int mac802154_wpan_mac_addr(struct net_device *dev, void *p)
* wpan mac has been changed
*/
if (sdata->wpan_dev.lowpan_dev)
memcpy(sdata->wpan_dev.lowpan_dev->dev_addr, dev->dev_addr,
dev->addr_len);
dev_addr_set(sdata->wpan_dev.lowpan_dev, dev->dev_addr);
return mac802154_wpan_update_llsec(dev);
}
@ -615,6 +614,7 @@ ieee802154_if_add(struct ieee802154_local *local, const char *name,
unsigned char name_assign_type, enum nl802154_iftype type,
__le64 extended_addr)
{
u8 addr[IEEE802154_EXTENDED_ADDR_LEN];
struct net_device *ndev = NULL;
struct ieee802154_sub_if_data *sdata = NULL;
int ret;
@ -638,11 +638,12 @@ ieee802154_if_add(struct ieee802154_local *local, const char *name,
switch (type) {
case NL802154_IFTYPE_NODE:
ndev->type = ARPHRD_IEEE802154;
if (ieee802154_is_valid_extended_unicast_addr(extended_addr))
ieee802154_le64_to_be64(ndev->dev_addr, &extended_addr);
else
memcpy(ndev->dev_addr, ndev->perm_addr,
IEEE802154_EXTENDED_ADDR_LEN);
if (ieee802154_is_valid_extended_unicast_addr(extended_addr)) {
ieee802154_le64_to_be64(addr, &extended_addr);
dev_addr_set(ndev, addr);
} else {
dev_addr_set(ndev, ndev->perm_addr);
}
break;
case NL802154_IFTYPE_MONITOR:
ndev->type = ARPHRD_IEEE802154_MONITOR;