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Re: ath9k doesn't clean up virtual wifis on rmmod, and crashes.

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Just for reference, same problem on un-modified 2.6.35-rc3+ (pulled last night)

The crash below is from reproducing it with your patch included.

[root@atom ~]# ls
anaconda-ks.cfg  Documents  Music     Public     Videos
Desktop          Downloads  Pictures  Templates
[root@atom ~]# echo add > /debug/ath9k/phy0/wiphy
Jul  3 10:55:24 atom kernel: phy1: Selected rate control algorithm 'ath9k_rate_control'
[root@atom ~]# Jul  3 10:55:25 atom kernel: ADDRCONF(NETDEV_UP): wlan1: link is not ready

[root@atom ~]# rmmod ath9k
BUG: unable to handle kernel NULL pointer dereference at 000000a4
IP: [<f8d65fd1>] ath9k_hw_intrpend+0x6/0x49 [ath9k_hw]
*pde = 00000000
Oops: 0000 [#1] SMP
last sysfs file: /sys/devices/pci0000:00/0000:00:1e.0/0000:05:03.0/class
Modules linked in:

(It reboots before printing anything else to console).


Thanks,
Ben

--
Ben Greear <greearb@xxxxxxxxxxxxxxx>
Candela Technologies Inc  http://www.candelatech.com
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