netdev - Re: [PATCH 1/2] net: Add skb_unclone() helper function.

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Message-ID: <1359076400.12374.2813.camel@edumazet-glaptop>
Date:	Thu, 24 Jan 2013 17:13:20 -0800
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Pravin B Shelar <pshelar@...ira.com>
Cc:	netdev@...r.kernel.org, jesse@...ira.com
Subject: Re: [PATCH 1/2] net: Add skb_unclone() helper function.

On Thu, 2013-01-24 at 14:16 -0800, Pravin B Shelar wrote:
> Signed-off-by: Pravin B Shelar <pshelar@...ira.com>

>  
>  /**
> + *	skb_unclone - creates separate copy if skb is cloned.
> + */

A proper kernel doc comment is not really needed, or must be complete
 * @skb: ...
 * @pri: ...

> +static inline bool skb_unclone(struct sk_buff *skb, gfp_t pri)
> +{
> +	might_sleep_if(pri & __GFP_WAIT);
> +
> +	if (skb_cloned(skb))
> +		return pskb_expand_head(skb, 0, 0, pri);
> +
> +	return 0;

	return false;

> +}
> +

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