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[11/15] wireless: mac80211_hwsim: use eth_hw_addr_set()

Message ID 20211018235021.1279697-12-kuba@kernel.org (mailing list archive)
State Accepted
Delegated to: Johannes Berg
Headers show
Series wireless: don't write to netdev->dev_addr directly | expand

Commit Message

Jakub Kicinski Oct. 18, 2021, 11:50 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: johannes@sipsolutions.net
CC: kvalo@codeaurora.org
CC: linux-wireless@vger.kernel.org
---
 drivers/net/wireless/mac80211_hwsim.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)
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Patch

diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 0adae76eb8df..8d0ae99eca94 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -3527,13 +3527,16 @@  static const struct net_device_ops hwsim_netdev_ops = {
 
 static void hwsim_mon_setup(struct net_device *dev)
 {
+	u8 addr[ETH_ALEN];
+
 	dev->netdev_ops = &hwsim_netdev_ops;
 	dev->needs_free_netdev = true;
 	ether_setup(dev);
 	dev->priv_flags |= IFF_NO_QUEUE;
 	dev->type = ARPHRD_IEEE80211_RADIOTAP;
-	eth_zero_addr(dev->dev_addr);
-	dev->dev_addr[0] = 0x12;
+	eth_zero_addr(addr);
+	addr[0] = 0x12;
+	eth_hw_addr_set(dev, addr);
 }
 
 static struct mac80211_hwsim_data *get_hwsim_data_ref_from_addr(const u8 *addr)