From 9d3d65a91f027b8a9af5e63752d9b78cb10eb92d Mon Sep 17 00:00:00 2001 From: Lorenzo Bianconi Date: Fri, 2 Nov 2018 21:49:57 +0100 Subject: [PATCH] ath9k: dynack: check da->enabled first in sampling routines Check da->enabled flag first in ath_dynack_sample_tx_ts and ath_dynack_sample_ack_ts routines in order to avoid useless processing Tested-by: Koen Vandeputte Signed-off-by: Lorenzo Bianconi Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath9k/dynack.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/dynack.c b/drivers/net/wireless/ath/ath9k/dynack.c index 5c969d833825..5c3b32f4e61b 100644 --- a/drivers/net/wireless/ath/ath9k/dynack.c +++ b/drivers/net/wireless/ath/ath9k/dynack.c @@ -178,7 +178,7 @@ void ath_dynack_sample_tx_ts(struct ath_hw *ah, struct sk_buff *skb, u32 dur = ts->duration; u8 ridx; - if ((info->flags & IEEE80211_TX_CTL_NO_ACK) || !da->enabled) + if (!da->enabled || (info->flags & IEEE80211_TX_CTL_NO_ACK)) return; spin_lock_bh(&da->qlock); @@ -251,7 +251,7 @@ void ath_dynack_sample_ack_ts(struct ath_hw *ah, struct sk_buff *skb, struct ath_common *common = ath9k_hw_common(ah); struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; - if (!ath_dynack_bssidmask(ah, hdr->addr1) || !da->enabled) + if (!da->enabled || !ath_dynack_bssidmask(ah, hdr->addr1)) return; spin_lock_bh(&da->qlock); -- 2.30.2