Beacon data wasn't properly cleared during early
phase of recovery. This in turn caused firmware to
crash because the beacon data was submitted before
vdevs were fully re-configured. Ultimately the
device was considered wedged and nothing worked
until driver was reloaded.
Signed-off-by: Michal Kazior <michal.kazior@xxxxxxxxx>
---
drivers/net/wireless/ath/ath10k/mac.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index 22e8239..e2c01dc 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -2291,6 +2291,8 @@ static void ath10k_tx(struct ieee80211_hw *hw,
*/
void ath10k_halt(struct ath10k *ar)
{
+ struct ath10k_vif *arvif;
+
lockdep_assert_held(&ar->conf_mutex);
if (ath10k_monitor_is_enabled(ar)) {
@@ -2313,6 +2315,17 @@ void ath10k_halt(struct ath10k *ar)
ar->scan.in_progress = false;
ieee80211_scan_completed(ar->hw, true);
}
+
+ list_for_each_entry(arvif, &ar->arvifs, list) {
+ if (!arvif->beacon)
+ continue;
+
+ 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;
+ }
spin_unlock_bh(&ar->data_lock);
}
--
1.8.5.3
--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
