ath10k: plug memory leak in wmi mgmt tx worker

sk_buff was not freed in some cases. The patch
unifies the msdu freeing.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index bbb0efa..f45eca0 100644 (file)
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -1729,8 +1729,10 @@ void ath10k_mgmt_over_wmi_tx_work(struct work_struct *work)
                        break;
 
                ret = ath10k_wmi_mgmt_tx(ar, skb);
-               if (ret)
+               if (ret) {
                        ath10k_warn("wmi mgmt_tx failed (%d)\n", ret);
+                       ieee80211_free_txskb(ar->hw, skb);
+               }
        }
 }
 

diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c
index a796d0b..8db9db2 100644 (file)
--- a/drivers/net/wireless/ath/ath10k/wmi.c
+++ b/drivers/net/wireless/ath/ath10k/wmi.c
@@ -674,10 +674,8 @@ int ath10k_wmi_mgmt_tx(struct ath10k *ar, struct sk_buff *skb)
 
        /* Send the management frame buffer to the target */
        ret = ath10k_wmi_cmd_send(ar, wmi_skb, ar->wmi.cmd->mgmt_tx_cmdid);
-       if (ret) {
-               dev_kfree_skb_any(skb);
+       if (ret)
                return ret;
-       }
 
        /* TODO: report tx status to mac80211 - temporary just ACK */
        info->flags |= IEEE80211_TX_STAT_ACK;