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36 lines
827 B
Diff
36 lines
827 B
Diff
From: Bob Copeland <me@bobcopeland.com>
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Date: Wed, 12 Oct 2016 08:24:54 -0400
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Subject: [PATCH] mac80211: fix up mismerge of ieee80211_tx_dequeue
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Looks like this spinlock wound up on the wrong side of the
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linearize, and I also lost the part that re-enters the loop.
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Fix up to match mac80211-next.
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Signed-off-by: Bob Copeland <me@bobcopeland.com>
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---
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--- a/net/mac80211/tx.c
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+++ b/net/mac80211/tx.c
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@@ -3457,17 +3457,17 @@ begin:
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skb_queue_splice_tail(&tx.skbs, &txqi->frags);
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}
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-out:
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- spin_unlock_bh(&fq->lock);
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-
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if (skb && skb_has_frag_list(skb) &&
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!ieee80211_hw_check(&local->hw, TX_FRAG_LIST)) {
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if (skb_linearize(skb)) {
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ieee80211_free_txskb(&local->hw, skb);
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- return NULL;
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+ goto begin;
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}
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}
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+out:
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+ spin_unlock_bh(&fq->lock);
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+
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return skb;
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}
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EXPORT_SYMBOL(ieee80211_tx_dequeue);
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