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34 lines
1.1 KiB
Diff
34 lines
1.1 KiB
Diff
From: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
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Date: Fri, 2 Nov 2018 21:49:57 +0100
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Subject: [PATCH] ath9k: dynack: check da->enabled first in sampling
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routines
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Check da->enabled flag first in ath_dynack_sample_tx_ts and
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ath_dynack_sample_ack_ts routines in order to avoid useless
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processing
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Tested-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
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Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
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---
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--- a/drivers/net/wireless/ath/ath9k/dynack.c
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+++ b/drivers/net/wireless/ath/ath9k/dynack.c
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@@ -178,7 +178,7 @@ void ath_dynack_sample_tx_ts(struct ath_
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u32 dur = ts->duration;
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u8 ridx;
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- if ((info->flags & IEEE80211_TX_CTL_NO_ACK) || !da->enabled)
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+ if (!da->enabled || (info->flags & IEEE80211_TX_CTL_NO_ACK))
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return;
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spin_lock_bh(&da->qlock);
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@@ -251,7 +251,7 @@ void ath_dynack_sample_ack_ts(struct ath
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struct ath_common *common = ath9k_hw_common(ah);
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struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
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- if (!ath_dynack_bssidmask(ah, hdr->addr1) || !da->enabled)
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+ if (!da->enabled || !ath_dynack_bssidmask(ah, hdr->addr1))
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return;
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spin_lock_bh(&da->qlock);
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