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26 lines
882 B
26 lines
882 B
From: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
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Date: Fri, 31 Aug 2018 01:04:13 +0200
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Subject: [PATCH] mac80211: fix an off-by-one issue in A-MSDU
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max_subframe computation
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Initialize 'n' to 2 in order to take into account also the first
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packet in the estimation of max_subframe limit for a given A-MSDU
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since frag_tail pointer is NULL when ieee80211_amsdu_aggregate
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routine analyzes the second frame.
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Fixes: 6e0456b54545 ("mac80211: add A-MSDU tx support")
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Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
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Signed-off-by: Johannes Berg <johannes.berg@intel.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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@@ -3166,7 +3166,7 @@ static bool ieee80211_amsdu_aggregate(st
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void *data;
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bool ret = false;
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unsigned int orig_len;
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- int n = 1, nfrags, pad = 0;
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+ int n = 2, nfrags, pad = 0;
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u16 hdrlen;
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if (!ieee80211_hw_check(&local->hw, TX_AMSDU))
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