[PATCH] wifi: rtlwifi: pci: Fix condition to wake the queues

[Bitterblue Smith <rtl8821cerfe2@gmail.com>]

The TX queues should be woken when there are at least 4 available
entries, not when there are at most 4.

Tested with RTL8821AE.

Fixes: d0311314d002 ("rtlwifi: rtl8192ee: Fix handling of new style descriptors")
Cc: stable@vger.kernel.org
Signed-off-by: Bitterblue Smith <rtl8821cerfe2@gmail.com>
---
 drivers/net/wireless/realtek/rtlwifi/pci.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/realtek/rtlwifi/pci.c b/drivers/net/wireless/realtek/rtlwifi/pci.c
index 0eafc4d125f9..9614a9e752b9 100644
--- a/drivers/net/wireless/realtek/rtlwifi/pci.c
+++ b/drivers/net/wireless/realtek/rtlwifi/pci.c
@@ -520,7 +520,7 @@ static void _rtl_pci_tx_isr(struct ieee80211_hw *hw, int prio)
 			rtl_tx_ackqueue(hw, skb);
 		}
 
-		if ((ring->entries - skb_queue_len(&ring->queue)) <= 4) {
+		if ((ring->entries - skb_queue_len(&ring->queue)) >= 4) {
 			rtl_dbg(rtlpriv, COMP_ERR, DBG_DMESG,
 				"more desc left, wake skb_queue@%d, ring->idx = %d, skb_queue_len = 0x%x\n",
 				prio, ring->idx,
-- 
2.48.1