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Date:	Tue, 11 Sep 2007 10:04:16 +0900
From:	"Magnus Damm" <>
To:	"Johannes Berg" <>
Cc:	"John W. Linville" <>,
	linux-wireless <>,
	netdev <>,
	"Rob Hussey" <>,
Subject: Re: [PATCH] cfg80211: fix initialisation if built-in

On 9/10/07, Johannes Berg <> wrote:
> When cfg80211 is built into the kernel it needs to init earlier
> so that device registrations are run after it has initialised.
> Signed-off-by: Johannes Berg <>

Yep, I need this fix as well. Without it the ath5k driver built in
bombs out during module_init(). Something with kref and a struct
device pointing to an uninitialized ieee80211_class.

I need a similar fix for net/mac80211/rc80211_simple.c as well to get
ath5k working though, not sure why at the moment. There may be some
bug with request_module() not being called properly.
ieee80211_register_hw() calls ieee80211_init_rate_ctrl_alg() with NULL
as name which calls rate_control_alloc() with NULL which always seems
to fail when built in.

This hack works around that problem, not sure what the real fix is.

--- 0002/net/mac80211/rc80211_simple.c
+++ work/net/mac80211/rc80211_simple.c  2007-09-09 18:11:48.000000000 +0900
@@ -431,7 +431,8 @@ static void __exit rate_control_simple_e


 MODULE_DESCRIPTION("Simple rate control algorithm for ieee80211");


/ magnus
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