diff options
| author | Chih-Kang Chang <gary.chang@realtek.com> | 2021-08-16 16:51:28 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-09-15 09:47:35 +0200 |
| commit | e1c02e2e6a7ad0d65dd7f5ecc23a33a02eb10a54 (patch) | |
| tree | cfbd992ff089e0112d717a91a91ed638a2edd1b5 | |
| parent | 606668e24a0d7fd262e2326d76bb60b965fe713f (diff) | |
mac80211: Fix insufficient headroom issue for AMSDU
[ Upstream commit f50d2ff8f016b79a2ff4acd5943a1eda40c545d4 ]
ieee80211_amsdu_realloc_pad() fails to account for extra_tx_headroom,
the original reserved headroom might be eaten. Add the necessary
extra_tx_headroom.
Fixes: 6e0456b54545 ("mac80211: add A-MSDU tx support")
Signed-off-by: Chih-Kang Chang <gary.chang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://lore.kernel.org/r/20210816085128.10931-2-pkshih@realtek.com
[fix indentation]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | net/mac80211/tx.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 538722522ffe..4dfac7a25e5a 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -3189,7 +3189,9 @@ static bool ieee80211_amsdu_prepare_head(struct ieee80211_sub_if_data *sdata, if (info->control.flags & IEEE80211_TX_CTRL_AMSDU) return true; - if (!ieee80211_amsdu_realloc_pad(local, skb, sizeof(*amsdu_hdr))) + if (!ieee80211_amsdu_realloc_pad(local, skb, + sizeof(*amsdu_hdr) + + local->hw.extra_tx_headroom)) return false; data = skb_push(skb, sizeof(*amsdu_hdr)); |