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From: Jiri Benc <jbenc@suse.cz>
To: Michael Wu <flamingice@sourmilk.net>
Cc: Michael Buesch <mb@bu3sch.de>, linux-wireless@vger.kernel.org
Subject: Re: [PATCH] d80211: remove hosttime from ieee80211_rx_status
Date: Fri, 9 Feb 2007 18:15:13 +0100	[thread overview]
Message-ID: <20070209181513.66fdec56@griffin.suse.cz> (raw)
In-Reply-To: <200702091056.46679.flamingice@sourmilk.net>

On Fri, 9 Feb 2007 10:56:42 -0500, Michael Wu wrote:
> @@ -4096,13 +4084,12 @@ static void ieee80211_tasklet_handler(un
>  	       (skb = skb_dequeue(&local->skb_queue_unreliable))) {
>                  switch (skb->pkt_type) {
>  		case ieee80211_rx_msg:
> -			/* get pointer to saved status out of skb->cb */
> -			memcpy(&rx_status, skb->cb, sizeof(rx_status));
> +			/* status is in skb->cb */
> +			rx_status = (struct ieee80211_rx_status *) skb->cb;
>  			/* Clear skb->type in order to not confuse kernel
>  			 * netstack. */
>  			skb->pkt_type = 0;
>  			__ieee80211_rx(local_to_hw(local), skb, rx_status);

Uh, sorry, I haven't noticed it before: you should copy cb to a local
rx_status structure as __ieee80211_rx is allowed to destroy the skb,
yet it still needs the rx_status.

Thanks,

 Jiri

-- 
Jiri Benc
SUSE Labs

  reply	other threads:[~2007-02-09 17:15 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-09  4:59 [PATCH] d80211: remove hosttime from ieee80211_rx_status Michael Wu
2007-02-09  5:50 ` Michael Buesch
2007-02-09 15:56   ` Michael Wu
2007-02-09 17:15     ` Jiri Benc [this message]
2007-02-09 17:47       ` Michael Wu
2007-02-15 21:27         ` Jiri Benc
2007-02-09 14:43 ` Jiri Benc

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