netdev - Re: [PATCH] vsock: Simplify '__vsock

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Date:   Thu, 31 Oct 2019 10:07:07 +0100
From:   Stefano Garzarella <sgarzare@...hat.com>
To:     Christophe JAILLET <christophe.jaillet@...adoo.fr>
Cc:     davem@...emloft.net, sunilmut@...rosoft.com, willemb@...gle.com,
        stefanha@...hat.com, ytht.net@...il.com, arnd@...db.de,
        tglx@...utronix.de, decui@...rosoft.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] vsock: Simplify '__vsock_release()'

On Thu, Oct 31, 2019 at 07:47:41AM +0100, Christophe JAILLET wrote:
> Use '__skb_queue_purge()' instead of re-implementing it.
> 
> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
> ---
>  net/vmw_vsock/af_vsock.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c
> index 2ab43b2bba31..2983dc92ca63 100644
> --- a/net/vmw_vsock/af_vsock.c
> +++ b/net/vmw_vsock/af_vsock.c
> @@ -641,7 +641,6 @@ EXPORT_SYMBOL_GPL(__vsock_create);
>  static void __vsock_release(struct sock *sk, int level)
>  {
>  	if (sk) {
> -		struct sk_buff *skb;
>  		struct sock *pending;
>  		struct vsock_sock *vsk;
>  
> @@ -662,8 +661,7 @@ static void __vsock_release(struct sock *sk, int level)
>  		sock_orphan(sk);
>  		sk->sk_shutdown = SHUTDOWN_MASK;
>  
> -		while ((skb = skb_dequeue(&sk->sk_receive_queue)))
> -			kfree_skb(skb);
> +		skb_queue_purge(&sk->sk_receive_queue);
>  
>  		/* Clean up any sockets that never were accepted. */
>  		while ((pending = vsock_dequeue_accept(sk)) != NULL) {

Good clean-up!

This patch LGTM:
Reviewed-by: Stefano Garzarella <sgarzare@...hat.com>

Thanks,
Stefano