Eric Dumazet <eric.dumazet@xxxxxxxxx> writes: > While this 'removes' the warning, this doesn't solve the fundamental > problem. > > If you write : > > rcu_read_lock(); > netdev = __vlan_find_dev_deep(...) > rcu_read_unlock(); > > Then you cannot dereference netdev safely after the unlock. > > In order to do so, you need to take a reference on netdev (aka > dev_hold()) before doing rcu_read_unlock(); > > And of course, release it later (aka dev_put()) when you are done with > netdev. Doh! Now that you tell me, this is pretty obvious. Thanks. Will fix and resubmit. Bjørn -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
