Re: [patch] brcm80211: brcmu_pkt_buf_free_skb() should handle NULL

["Arend van Spriel" <arend@broadcom.com>]

On 05/15/2012 11:00 AM, Dan Carpenter wrote:
> This is potentially called with NULL pointers, for example, look at
> brcmf_c_prec_enq().  Since it's a free() function, probably people
> expect it to handle NULL pointers.

Acked-by: Arend van Spriel <arend@broadcom.com>

> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
> 
> diff --git a/drivers/net/wireless/brcm80211/brcmutil/utils.c b/drivers/net/wireless/brcm80211/brcmutil/utils.c
> index b45ab34..3e6405e 100644

Is the diff command filtered properly here. In most patches I usually
see '---' immediatly after the Signed-off-by line.

> --- a/drivers/net/wireless/brcm80211/brcmutil/utils.c
> +++ b/drivers/net/wireless/brcm80211/brcmutil/utils.c
> @@ -43,6 +43,8 @@ EXPORT_SYMBOL(brcmu_pkt_buf_get_skb);
>  /* Free the driver packet. Free the tag if present */
>  void brcmu_pkt_buf_free_skb(struct sk_buff *skb)
>  {
> +	if (!skb)
> +		return;
>  	WARN_ON(skb->next);
>  	if (skb->destructor)
>  		/* cannot kfree_skb() on hard IRQ (net/core/skbuff.c) if
> 

Gr. AvS