Do not try to aggregate packets in a A-MSDU frame and add A-MSDU header
on the first packet if max_tx_fragments or max_amsdu_subframes are
set to one

Signed-off-by: Lorenzo Bianconi <[email protected]>
---
Changes since v1:
- rebased on top of mac80211 master branch
- removed ieee80211_amsdu_realloc_pad chunk
---
 net/mac80211/tx.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 6a362b2882d3..75646e3fb3d9 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -3213,9 +3213,6 @@ static bool ieee80211_amsdu_aggregate(struct 
ieee80211_sub_if_data *sdata,
        if (skb->len + head->len > max_amsdu_len)
                goto out;
 
-       if (!ieee80211_amsdu_prepare_head(sdata, fast_tx, head))
-               goto out;
-
        nfrags = 1 + skb_shinfo(skb)->nr_frags;
        nfrags += 1 + skb_shinfo(head)->nr_frags;
        frag_tail = &skb_shinfo(head)->frag_list;
@@ -3231,6 +3228,9 @@ static bool ieee80211_amsdu_aggregate(struct 
ieee80211_sub_if_data *sdata,
        if (max_frags && nfrags > max_frags)
                goto out;
 
+       if (!ieee80211_amsdu_prepare_head(sdata, fast_tx, head))
+               goto out;
+
        /*
         * Pad out the previous subframe to a multiple of 4 by adding the
         * padding to the next one, that's being added. Note that head->len
-- 
2.17.1

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