This patch makes sure that skb is freed after downloading
NULL packet in error cases. Also, USB chipsets return
-EINPROGRESS after downloading packets, they are freed in
USB completion handler later. We will add missing change
to set tx_lock_flag for USB which blocks further packets.
Signed-off-by: Amitkumar Karwar <akarwar@xxxxxxxxxxx>
Signed-off-by: Cathy Luo <cluo@xxxxxxxxxxx>
---
drivers/net/wireless/mwifiex/sta_tx.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/mwifiex/sta_tx.c b/drivers/net/wireless/mwifiex/sta_tx.c
index 1debe76..5ce2d9a 100644
--- a/drivers/net/wireless/mwifiex/sta_tx.c
+++ b/drivers/net/wireless/mwifiex/sta_tx.c
@@ -183,9 +183,13 @@ int mwifiex_send_null_packet(struct mwifiex_private *priv, u8 flags)
}
switch (ret) {
case -EBUSY:
- adapter->data_sent = true;
- /* Fall through FAILURE handling */
+ dev_kfree_skb_any(skb);
+ dev_err(adapter->dev, "%s: host_to_card failed: ret=%d\n",
+ __func__, ret);
+ adapter->dbg.num_tx_host_to_card_failure++;
+ break;
case -1:
+ adapter->data_sent = false;
dev_kfree_skb_any(skb);
dev_err(adapter->dev, "%s: host_to_card failed: ret=%d\n",
__func__, ret);
@@ -198,6 +202,7 @@ int mwifiex_send_null_packet(struct mwifiex_private *priv, u8 flags)
adapter->tx_lock_flag = true;
break;
case -EINPROGRESS:
+ adapter->tx_lock_flag = true;
break;
default:
break;
--
1.8.1.4
--
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