Linux wireless drivers development
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From: Johannes Berg <johannes@sipsolutions.net>
To: "Luis R. Rodriguez" <mcgrof@gmail.com>
Cc: Vasanthakumar Thiagarajan <vasanth@atheros.com>,
	linux-wireless <linux-wireless@vger.kernel.org>
Subject: Re: ath9k rate control API abuse
Date: Fri, 10 Oct 2008 15:54:25 +0200	[thread overview]
Message-ID: <1223646865.3748.8.camel@johannes.berg> (raw)
In-Reply-To: <1223629834.3930.67.camel@johannes.berg> (sfid-20081010_111517_036937_322F0165)

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On Fri, 2008-10-10 at 11:10 +0200, Johannes Berg wrote:
> Hi,
> 
> I decided to review ath9k as well wrt. the RC algorithm (Intel stuff
> coming later). It doesn't exactly have the same deficiencies as the
> Intel drivers, but it's still very very very fragile.
> 
> For example, you can make it crash with a double-free like this:
> 
> # iwconfig wlan0 frag 300

As a band-aid, you can provide the set_frag_threshold function and have
it do nothing.

johannes

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      parent reply	other threads:[~2008-10-10 13:54 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-10-10  9:10 ath9k rate control API abuse Johannes Berg
2008-10-10  8:30 ` Vasanthakumar Thiagarajan
2008-10-10 21:02   ` Johannes Berg
2008-10-10 13:54 ` Johannes Berg [this message]

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