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mwifiex: do not decrement rx_pending count twice

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This patch fixes an issue with rx processing function where we were
decrementing rx_pending count twice.

Patch also queues correct main_work item when rx_pending count reaches
low watermark.

Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Avinash Patil 2014-09-29 21:44:14 +05:30 committed by John W. Linville
parent f73e557bca
commit b43a0d9d01
1 changed files with 2 additions and 6 deletions
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8
drivers/net/wireless/mwifiex/main.c
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@ -130,7 +130,6 @@ static int mwifiex_process_rx(struct mwifiex_adapter *adapter)
{
unsigned long flags;
struct sk_buff *skb;
bool delay_main_work = adapter->delay_main_work;
spin_lock_irqsave(&adapter->rx_proc_lock, flags);
if (adapter->rx_processing || adapter->rx_locked) {
@ -145,10 +144,9 @@ static int mwifiex_process_rx(struct mwifiex_adapter *adapter)
while ((skb = skb_dequeue(&adapter->rx_data_q))) {
atomic_dec(&adapter->rx_pending);
if (adapter->delay_main_work &&
(atomic_dec_return(&adapter->rx_pending) <
LOW_RX_PENDING)) {
(atomic_read(&adapter->rx_pending) < LOW_RX_PENDING)) {
adapter->delay_main_work = false;
queue_work(adapter->rx_workqueue, &adapter->rx_work);
queue_work(adapter->workqueue, &adapter->main_work);
}
mwifiex_handle_rx_packet(adapter, skb);
}
@ -156,8 +154,6 @@ static int mwifiex_process_rx(struct mwifiex_adapter *adapter)
adapter->rx_processing = false;
spin_unlock_irqrestore(&adapter->rx_proc_lock, flags);
if (delay_main_work)
queue_work(adapter->workqueue, &adapter->main_work);
exit_rx_proc:
return 0;
}