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- From: Lorenzo Bianconi <[email protected]>
- 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 <[email protected]>
- Signed-off-by: Lorenzo Bianconi <[email protected]>
- ---
- --- 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_
- 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
- 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);
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