iwl: potential deadlock?

[Jiri Slaby <jirislaby@xxxxxxxxx>]

Hi,

we found a potential deadlock in iwl code by our tool.

Can this happen:
iwl_update_tkip_key()
-> spin_lock_irqsave(&priv->sta_lock)
-> iwl_send_add_sta()
   -> iwl_sta_ucode_activate()
      -> spin_lock_irqsave(&priv->sta_lock)
?

Thanks.
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