Re: [B.A.T.M.A.N.] [PATCH 07/14] batman-adv: use list_for_each_entry_safe

[Sven Eckelmann <sven@narfation.org>]

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On Friday 18 December 2015 23:33:31 Geliang Tang wrote:
> Use list_for_each_entry_safe() instead of list_for_each_safe() to
> simplify the code.
> 
> Signed-off-by: Geliang Tang <geliangtang@163.com>
> ---
>  net/batman-adv/icmp_socket.c | 22 +++++++++-------------
>  1 file changed, 9 insertions(+), 13 deletions(-)

Reviewed-by: Sven Eckelmann <sven@narfation.org>

Kind regards,
	Sven

> 
> diff --git a/net/batman-adv/icmp_socket.c b/net/batman-adv/icmp_socket.c
> index bcabb5e..841239c 100644
> --- a/net/batman-adv/icmp_socket.c
> +++ b/net/batman-adv/icmp_socket.c
> @@ -104,25 +104,21 @@ static int batadv_socket_open(struct inode *inode, struct file *file)
>  
>  static int batadv_socket_release(struct inode *inode, struct file *file)
>  {
> -	struct batadv_socket_client *socket_client = file->private_data;
> -	struct batadv_socket_packet *socket_packet;
> -	struct list_head *list_pos, *list_pos_tmp;
> +	struct batadv_socket_client *client = file->private_data;
> +	struct batadv_socket_packet *packet, *tmp;
>  
> -	spin_lock_bh(&socket_client->lock);
> +	spin_lock_bh(&client->lock);
>  
>  	/* for all packets in the queue ... */
> -	list_for_each_safe(list_pos, list_pos_tmp, &socket_client->queue_list) {
> -		socket_packet = list_entry(list_pos,
> -					   struct batadv_socket_packet, list);
> -
> -		list_del(list_pos);
> -		kfree(socket_packet);
> +	list_for_each_entry_safe(packet, tmp, &client->queue_list, list) {
> +		list_del(&packet->list);
> +		kfree(packet);
>  	}
>  
> -	batadv_socket_client_hash[socket_client->index] = NULL;
> -	spin_unlock_bh(&socket_client->lock);
> +	batadv_socket_client_hash[client->index] = NULL;
> +	spin_unlock_bh(&client->lock);
>  
> -	kfree(socket_client);
> +	kfree(client);
>  	module_put(THIS_MODULE);
>  
>  	return 0;
> 

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