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Author: Meet Patel <meet.patel@nxp.com>

Browse source 
Date: Mon, 11 Jul 2022 19:34:18 +0530
	Subject: [PATCH 2/2] Issue: WCSWREL-352 index limiting to avoid
kernel BRK exception

	This is work around for kernel BRK exception, here processing
further
	if index value is less than 4.

Signed-off-by: Meet Patel <meet.patel@nxp.com>
This commit is contained in:
yunjie 2022-07-12 18:14:16 +00:00
parent b4f6b06d6b
commit e5b29dea3a
1 changed files with 18 additions and 12 deletions
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30
mxm_wifiex/wlan_src/mlinux/moal_shim.c
View file

@ -1139,19 +1139,25 @@ mlan_status moal_send_packet_complete(t_void *pmoal, pmlan_buffer pmbuf,
}
#if LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 29)
index = skb_get_queue_mapping(skb);
atomic_dec(&handle->tx_pending);
if (atomic_dec_return(
&priv->wmm_tx_pending[index]) ==
LOW_TX_PENDING) {
struct netdev_queue *txq =
netdev_get_tx_queue(
priv->netdev, index);
if (netif_tx_queue_stopped(txq)) {
netif_tx_wake_queue(txq);
PRINTM(MINFO,
"Wakeup Kernel Queue:%d\n",
index);
if(index < 4)
{
atomic_dec(&handle->tx_pending);
if (atomic_dec_return(
&priv->wmm_tx_pending[index]) ==
LOW_TX_PENDING) {
struct netdev_queue *txq =
netdev_get_tx_queue(
priv->netdev, index);
if (netif_tx_queue_stopped(txq)) {
netif_tx_wake_queue(txq);
PRINTM(MINFO,
"Wakeup Kernel Queue:%d\n",
index);
}
}
}
else {
PRINTM(MERROR,"Wakeup invalid Kernel Queue\n");
}
#else /*#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,29)*/
if (atomic_dec_return(&handle->tx_pending) <