Commit dda444d5 authored by Simon Wunderlich's avatar Simon Wunderlich Committed by Johannes Berg

cfg80211: disable CSA for all drivers

The channel switch announcement code has some major locking problems
which can cause a deadlock in worst case. A series of fixes has been
proposed, but these are non-trivial and need to be tested first.
Therefore disable CSA completely for 3.13.
Signed-off-by: default avatarSimon Wunderlich <sw@simonwunderlich.de>
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 24d47300
......@@ -454,6 +454,12 @@ int wiphy_register(struct wiphy *wiphy)
/* support for 5/10 MHz is broken due to nl80211 API mess - disable */
wiphy->flags &= ~WIPHY_FLAG_SUPPORTS_5_10_MHZ;
/*
* There are major locking problems in nl80211/mac80211 for CSA,
* disable for all drivers until this has been reworked.
*/
wiphy->flags &= ~WIPHY_FLAG_HAS_CHANNEL_SWITCH;
#ifdef CONFIG_PM
if (WARN_ON(wiphy->wowlan &&
(wiphy->wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) &&
......
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