iwlwifi: trans: consider firmware dead after errors

If we get an error, no longer consider the firmware to be
in IWL_TRANS_FW_ALIVE state.
Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
Signed-off-by: NLuca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20201209231352.a9d01e79c1c7.Ib2deb076b392fb516a7230bac91d7ab8a9586d86@changeidSigned-off-by: NLuca Coelho <luciano.coelho@intel.com>

drivers/net/wireless/intel/iwlwifi/iwl-trans.h

@@ -1439,8 +1439,10 @@ 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;
+	}
 }
 
 static inline bool iwl_trans_fw_running(struct iwl_trans *trans)