[PATCH AUTOSEL 4.4 33/38] iwlwifi: trans: consider firmware dead after errors

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From: Johannes Berg <johannes.berg@xxxxxxxxx>

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

diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.h b/drivers/net/wireless/iwlwifi/iwl-trans.h
index 6f76525088f0e..8dd30de1976f0 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans.h
+++ b/drivers/net/wireless/iwlwifi/iwl-trans.h
@@ -1102,8 +1102,10 @@ 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




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