Sujith Manoharan wrote:
> From: Sujith Manoharan <c_manoha@xxxxxxxxxxxxxxxx>
>
> With drivers that support multi-channel concurrency,
> make sure that the correct context is in use before
> sending a deauth frame. The driver could be in a different
> context, in which case the frame could be dropped.
The behavior appears to have been changed in:
commit 8c7d857c4a4a552d8d3e1b2e24e1864ec2989285
Author: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
Date: Wed Jul 25 01:42:36 2012 +0300
mac80211: don't call mgd_prepare_tx when associated
I am not sure how it can be guaranteed that the driver is
on the right context when trying to send a mgmt frame.
ath9k uses mgd_prepare_tx() to switch to the required context,
so I think this call is necessary even if we are associated.
Sujith
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