linux-kernel - Re: [PATCH net v2 2/3] unix/dgram: fix peeking with an offset larger than data in queue

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Date:	Mon, 29 Apr 2013 07:01:39 +0000 (UTC)
From:	Cong Wang <xiyou.wangcong@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH net v2 2/3] unix/dgram: fix peeking with an offset
 larger than data in queue

On Fri, 26 Apr 2013 at 18:35 GMT, Benjamin Poirier <bpoirier@...e.de> wrote:
>  struct sk_buff *__skb_recv_datagram(struct sock *sk, unsigned int flags,
> -				    int *peeked, int *off, int *err)
> +				    int *peeked, int *_off, int *err)
>  {
> -	struct sk_buff *skb;
> +	struct sk_buff *skb, *last;
>  	long timeo;
>  	/*
>  	 * Caller is allowed not to check sk->sk_err before skb_recv_datagram()
> @@ -182,14 +183,17 @@ struct sk_buff *__skb_recv_datagram(struct sock *sk, unsigned int flags,
>  		 */
>  		unsigned long cpu_flags;
>  		struct sk_buff_head *queue = &sk->sk_receive_queue;
> +		int off = *_off;
>  

Name the local variable '_off', not the function argument.
Or pick another name, e.g. 'offset'.

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