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authorAmitkumar Karwar <akarwar@marvell.com>2015-01-30 00:40:06 -0800
committerKalle Valo <kvalo@codeaurora.org>2015-02-03 15:28:54 +0200
commit0ea3186ce03cfa9b1c5cb8677ac3ffcd19695cd7 (patch)
treea93049d12699089e8c5acaa06598592bd191bfb8 /drivers/net/wireless/mwifiex
parent7a1f4e61eb6417aecd20822a5f15e72d21c7f3f9 (diff)
downloadop-kernel-dev-0ea3186ce03cfa9b1c5cb8677ac3ffcd19695cd7.zip
op-kernel-dev-0ea3186ce03cfa9b1c5cb8677ac3ffcd19695cd7.tar.gz
mwifiex: fix NULL packet downloading issues
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@marvell.com> Signed-off-by: Cathy Luo <cluo@marvell.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/mwifiex')
-rw-r--r--drivers/net/wireless/mwifiex/sta_tx.c9
1 files 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;
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