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Interfaces are being initialized (setup) on addition,
and torn down on removal.
However, p2p device is being torn down when stopped,
resulting in the next p2p start operation being done
on uninitialized interface.
Solve it by calling ieee80211_teardown_sdata() only
on interface removal (for the non-netdev case).
Signed-off-by: Eliad Peller <eliadx.peller@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
[squashed in fix to call teardown after unregister]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Advertising reordering window in ADDBA less than 64 can crash some APs,
an example is LinkSys WRT120N (with FW v1.0.07 build 002 Jun 18 2012).
On the other hand, a driver may need to limit Tx A-MPDU size for its own
reasons, like specific HW limitations.
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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We can't update the Tx power on the device unless it is
running.
This fixes https://bugzilla.kernel.org/show_bug.cgi?id=101521.
Cc: stable@vger.kernel.org
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When using call_rcu(), the called function may be delayed quite
significantly, and without a matching rcu_barrier() there's no
way to be sure it has finished.
Therefore, global state that could be gone/freed/reused should
never be touched in the callback.
Fix this in mesh by moving the atomic_dec() into the caller;
that's not really a problem since we already unlinked the path
and it will be destroyed anyway.
This fixes a crash Jouni observed when running certain tests in
a certain order, in which the mesh interface was torn down, the
memory reused for a function pointer (work struct) and running
that then crashed since the pointer had been decremented by 1,
resulting in an invalid instruction byte stream.
Cc: stable@vger.kernel.org
Fixes: eb2b9311fd00 ("mac80211: mesh path table implementation")
Reported-by: Jouni Malinen <j@w1.fi>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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For now, this feature doesn't actually work. To avoid shipping a
kernel that has it enabled but where it can't be used disable it
for now - we can re-enable it when it's fixed.
This partially reverts 44674d9c2267 ("mac80211: advertise support
for full station state in AP mode").
Cc: Ayala Beker <ayala.beker@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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To align with the mv88e6xxx code, use the register defines to
access all the register addresses and bit fields.
Acked-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Eliad Peller
Gregory Greenman
Emmanuel Grumbach
Johannes Berg
Neil Armstrong