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[PATCH 1/4] iwlwifi: mvm: don't attempt debug collection in rfkill

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From: Johannes Berg <johannes.berg@xxxxxxxxx>

If we fail to initialize because rfkill is enabled, then trying
to do debug collection currently just fails. Prevent that in the
high-level code, although we should probably also fix the lower
level code to do things more carefully.

It's not 100% clear that it fixes this commit, as the original
dump code at the time might've been more careful. In any case,
we don't really need to dump anything in this expected scenario.

Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
Fixes: 7125648074e8 ("iwlwifi: add fw dump upon RT ucode start failure")
Signed-off-by: Luca Coelho <luciano.coelho@xxxxxxxxx>
---
 drivers/net/wireless/intel/iwlwifi/mvm/fw.c  | 4 +++-
 drivers/net/wireless/intel/iwlwifi/mvm/ops.c | 2 +-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
index 00a47f6f1d81..ab68b5d53ec9 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
@@ -1121,7 +1121,9 @@ int iwl_mvm_up(struct iwl_mvm *mvm)
 	ret = iwl_mvm_load_rt_fw(mvm);
 	if (ret) {
 		IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret);
-		iwl_fw_dbg_error_collect(&mvm->fwrt, FW_DBG_TRIGGER_DRIVER);
+		if (ret != -ERFKILL)
+			iwl_fw_dbg_error_collect(&mvm->fwrt,
+						 FW_DBG_TRIGGER_DRIVER);
 		goto error;
 	}
 
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
index ba27dce4c2bb..13681b03c10e 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
@@ -834,7 +834,7 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
 	mutex_lock(&mvm->mutex);
 	iwl_mvm_ref(mvm, IWL_MVM_REF_INIT_UCODE);
 	err = iwl_run_init_mvm_ucode(mvm, true);
-	if (err)
+	if (err && err != -ERFKILL)
 		iwl_fw_dbg_error_collect(&mvm->fwrt, FW_DBG_TRIGGER_DRIVER);
 	if (!iwlmvm_mod_params.init_dbg || !err)
 		iwl_mvm_stop_device(mvm);
-- 
2.20.1




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