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[PATCH 02/10] iwlwifi: clear trans->op_mode pointer when it is leaving

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From: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>

Since the op_mode is leaving, the transport should set
its pointer to it to NULL to not point to freed memory.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
---
 drivers/net/wireless/iwlwifi/iwl-trans.h | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.h b/drivers/net/wireless/iwlwifi/iwl-trans.h
index e378ea6d..98072c2 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans.h
+++ b/drivers/net/wireless/iwlwifi/iwl-trans.h
@@ -489,10 +489,6 @@ struct iwl_trans {
 static inline void iwl_trans_configure(struct iwl_trans *trans,
 				       const struct iwl_trans_config *trans_cfg)
 {
-	/*
-	 * only set the op_mode for the moment. Later on, this function will do
-	 * more
-	 */
 	trans->op_mode = trans_cfg->op_mode;
 
 	trans->ops->configure(trans, trans_cfg);
@@ -512,6 +508,9 @@ static inline void iwl_trans_stop_hw(struct iwl_trans *trans,
 
 	trans->ops->stop_hw(trans, op_mode_leaving);
 
+	if (op_mode_leaving)
+		trans->op_mode = NULL;
+
 	trans->state = IWL_TRANS_NO_FW;
 }
 
-- 
1.8.0

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