[PATCH AUTOSEL 4.14 55/66] iwlwifi: trans: consider firmware dead after errors

Sasha Levin
2020-12-23T02:35:55Z

From: Johannes Berg <johannes.berg@intel.com>

[ Upstream commit 152fdc0f698896708f9d7889a4ba4da6944b74f7 ]

If we get an error, no longer consider the firmware to be
in IWL_TRANS_FW_ALIVE state.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20201209231352.a9d01e79c1c7.Ib2deb076b392fb516a7230bac91d7ab8a9586d86@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/net/wireless/intel/iwlwifi/iwl-trans.h | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h
index ecd5c1df811ca..7de7dac3260ce 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h
@@ -1181,8 +1181,10 @@ static inline void iwl_trans_fw_error(struct iwl_trans *trans)
return;

/* prevent double restarts due to the same erroneous FW */
- if (!test_and_set_bit(STATUS_FW_ERROR, &trans->status))
+ if (!test_and_set_bit(STATUS_FW_ERROR, &trans->status)) {
iwl_op_mode_nic_error(trans->op_mode);
+ trans->state = IWL_TRANS_NO_FW;
+ }
}

/*****************************************************
--
2.27.0