netdev - Re: [PATCH net] tcp: TCP Small Queues and strange attractors

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Date:	Tue, 14 Oct 2014 15:33:08 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH net] tcp: TCP Small Queues and strange attractors

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Mon, 13 Oct 2014 06:27:47 -0700

> diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
> index 8d4eac793700..4a7e97811d71 100644
> --- a/net/ipv4/tcp_output.c
> +++ b/net/ipv4/tcp_output.c
> @@ -839,26 +839,38 @@ void tcp_wfree(struct sk_buff *skb)
>  {
 ...
>  		local_irq_restore(flags);
> -	} else {
> -		sock_wfree(skb);
> +		return;
>  	}
> +out:
> +	sk_free(sk);
>  }
>  

Why do we need to release the socket here?
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