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path: root/drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c')
-rw-r--r--drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c b/drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c
index f64e972191eb..9b59e1d7ae71 100644
--- a/drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c
+++ b/drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c
@@ -312,6 +312,11 @@ static ssize_t iwl_dbgfs_reduced_txp_write(struct ieee80211_vif *vif,
mutex_lock(&mvm->mutex);
mvmsta = iwl_mvm_sta_from_staid_protected(mvm, mvmvif->ap_sta_id);
+ if (IS_ERR_OR_NULL(mvmsta)) {
+ mutex_unlock(&mvm->mutex);
+ return -ENOTCONN;
+ }
+
mvmsta->bt_reduced_txpower_dbg = false;
ret = iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id,
reduced_tx_power);