Re: [PATCH 1/3] net: introduce a list of device addresses dev_addr_list

[Li Zefan]

> +static int __hw_addr_add_ii(struct list_head *list, unsigned char *addr,
> +			    int addr_len, int ignore_index)
> +{
> +	struct netdev_hw_addr *ha;
> +	int i = 0;
> +
> +	if (addr_len > MAX_ADDR_LEN)
> +		return -EINVAL;
> +
> +	rcu_read_lock();
> +	list_for_each_entry_rcu(ha, list, list) {
> +		if (i++ != ignore_index &&
> +		    !memcmp(ha->addr, addr, addr_len)) {
> +			ha->refcount++;
> +			return 0;

missing rcu_read_unlock() ?

> +		}
> +	}
> +	rcu_read_unlock();
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