diff options
| author | Michal Kazior <michal.kazior@tieto.com> | 2014-04-23 19:30:05 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@qca.qualcomm.com> | 2014-04-24 09:22:29 +0300 |
| commit | ec6bc5523b40008448bad5eadcdcf4cdbf9c7054 (patch) | |
| tree | 109a389c870c53533b7cc7ee53d64ff9e178620b /drivers/net/wireless/ath | |
| parent | 216a18367a4b287a9fa2bfeae9f22cbc344772b8 (diff) | |
ath10k: make sure to not leak beacon dma mapping
If for some reason mac80211 wouldn't stop
beaconing gracefully and just removed interface of
a running AP/IBSS interface it was possible to
leak pending beacon DMA mapping. It's very
unlikely but better safe than sorry.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Diffstat (limited to 'drivers/net/wireless/ath')
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/mac.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index 8385a7ad02ac..22e82398c45b 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -2771,6 +2771,9 @@ static void ath10k_remove_interface(struct ieee80211_hw *hw, spin_lock_bh(&ar->data_lock); if (arvif->beacon) { + dma_unmap_single(arvif->ar->dev, + ATH10K_SKB_CB(arvif->beacon)->paddr, + arvif->beacon->len, DMA_TO_DEVICE); dev_kfree_skb_any(arvif->beacon); arvif->beacon = NULL; } |