Hi Bruce,

Those three patches are from mainline kernel without any change.
They exist since v5.3-rc4. Please help to backport to linux-yocto v5.2.

The second commit fixes the following calltrace.

  Call Trace:
    dump_stack+0x4f/0x6a
    ? worker_thread+0xd9/0x3e0
    ___might_sleep.cold+0xd1/0xe2
    __might_sleep+0x4b/0x80
    mutex_lock+0x21/0x50
    iwl_mvm_rs_rate_init+0x87/0xc50 [iwlmvm]

Gregory Greenman (3):
  iwlwifi: mvm: add a wrapper around rs_tx_status to handle locks
  iwlwifi: mvm: replace RS mutex with a spin_lock
  iwlwifi: mvm: fix possible out-of-bounds read when accessing lq_info

 drivers/net/wireless/intel/iwlwifi/mvm/rs.c  | 542 ++++++++++++++-------------
 drivers/net/wireless/intel/iwlwifi/mvm/rs.h  |   6 +-
 drivers/net/wireless/intel/iwlwifi/mvm/sta.c |   6 +-
 drivers/net/wireless/intel/iwlwifi/mvm/sta.h |   1 -
 4 files changed, 275 insertions(+), 280 deletions(-)

-- 
2.14.4


Thanks,
Yongxin
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