From: Yan-Hsuan Chuang Date: Fri, 3 May 2019 11:53:33 +0000 (+0800) Subject: rtw88: pci: check if queue mapping exceeds size of ac_to_hwq X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=0d7882950c73de464c3d95ae5e4038059dcd46c8;p=linux.git rtw88: pci: check if queue mapping exceeds size of ac_to_hwq Dump warning messages when we get a q_mapping larger than the AC numbers. And pick BE queue as default. Signed-off-by: Yan-Hsuan Chuang Signed-off-by: Kalle Valo --- diff --git a/drivers/net/wireless/realtek/rtw88/pci.c b/drivers/net/wireless/realtek/rtw88/pci.c index 87bfcb3504d5c..353871c277798 100644 --- a/drivers/net/wireless/realtek/rtw88/pci.c +++ b/drivers/net/wireless/realtek/rtw88/pci.c @@ -504,6 +504,8 @@ static u8 rtw_hw_queue_mapping(struct sk_buff *skb) queue = RTW_TX_QUEUE_BCN; else if (unlikely(ieee80211_is_mgmt(fc) || ieee80211_is_ctl(fc))) queue = RTW_TX_QUEUE_MGMT; + else if (WARN_ON_ONCE(q_mapping >= ARRAY_SIZE(ac_to_hwq))) + queue = ac_to_hwq[IEEE80211_AC_BE]; else queue = ac_to_hwq[q_mapping];