Re: Suspicious RCU from iwlwifi driver

2015-12-11 Thread Johannes Berg
Hi Laura, >   drivers/net/wireless/intel/iwlwifi/mvm/sta.c:1226 suspicious > rcu_dereference_protected() usage! > If I revert 9513c5e18a0dc55a1fc9c890715098ba2315830b > (iwlwifi: mvm: Avoid dereferencing sta if it was already flushed) > The warning goes away. Known issue? Thanks for the report

Suspicious RCU from iwlwifi driver

2015-12-10 Thread Laura Abbott
Hi, I'm currently seeing a suspicous RCU usage warning: === [ INFO: suspicious RCU usage. ] 4.4.0-rc4-next-20151210 #23 Not tainted --- drivers/net/wireless/intel/iwlwifi/mvm/sta.c:1226 suspicious rcu_dereference_protected() usage!