There is no need to ensure the rtnl is locked when changing a driver's channel. This cause issues when scanning and this is the only driver relying on it. Just drop this dependency because it does not seem legitimate. Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx> --- drivers/net/ieee802154/mac802154_hwsim.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ieee802154/mac802154_hwsim.c b/drivers/net/ieee802154/mac802154_hwsim.c index 38c217bd7c82..a5b9fc2fb64c 100644 --- a/drivers/net/ieee802154/mac802154_hwsim.c +++ b/drivers/net/ieee802154/mac802154_hwsim.c @@ -100,7 +100,7 @@ static int hwsim_hw_channel(struct ieee802154_hw *hw, u8 page, u8 channel) pib->page = page; pib->channel = channel; - pib_old = rtnl_dereference(phy->pib); + rcu_assign_pointer(pib_old, phy->pib); rcu_assign_pointer(phy->pib, pib); kfree_rcu(pib_old, rcu); return 0; -- 2.34.1
