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Re: [PATCH V2] mac80211: Revise,pending queue depth in ieee80211_local data structure

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On Thu, 2010-03-18 at 16:43 +0100, lorenzo.bianconi83@xxxxxxxxx wrote:
> Hi all,
> 
> I resend the patch in order to fix style violations that Larry suggested me.
> 
> I noticed a possible issue in the pending queue management of the
> ieee80211_local data structure. In particular, there is no control of the queue
> depth and this could cause a memory overflow. In the tests I carried out I
> obtain a memory overflow when I use a low priority queue (e.g. Backgreound
> queue) and I transmit a data stream that exceeds the channel capacity (e.g.
> 50Mbps@MCS 3, 800ns GI and 20MHz channel width). I tested the patch below on the
> last compat-wireless (2010-03-03) on an AR9280 chipset (Ubiquiti Rocket M with
> the latest version of OpenWrt trunk).

What kernel are you testing this on? I would have thought
cf0277e714a0db302a8f80e1b85fd61c32cf00b3 fixed this.

johannes

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