From: Felix Fietkau <nbd@xxxxxxxx> [ Upstream commit eb9b64e3a9f8483e6e54f4e03b2ae14ae5db2690 ] skb->truesize can change due to memory reallocation or when adding extra fragments. Adjust fq->memory_usage accordingly Signed-off-by: Felix Fietkau <nbd@xxxxxxxx> Acked-by: Toke Høiland-Jørgensen <toke@xxxxxxxxxx> Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- net/mac80211/tx.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 305a4655f23e..09c7aa519ca8 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -3125,6 +3125,7 @@ static bool ieee80211_amsdu_aggregate(struct ieee80211_sub_if_data *sdata, u8 max_subframes = sta->sta.max_amsdu_subframes; int max_frags = local->hw.max_tx_fragments; int max_amsdu_len = sta->sta.max_amsdu_len; + int orig_truesize; __be16 len; void *data; bool ret = false; @@ -3158,6 +3159,7 @@ static bool ieee80211_amsdu_aggregate(struct ieee80211_sub_if_data *sdata, if (!head) goto out; + orig_truesize = head->truesize; orig_len = head->len; if (skb->len + head->len > max_amsdu_len) @@ -3212,6 +3214,7 @@ static bool ieee80211_amsdu_aggregate(struct ieee80211_sub_if_data *sdata, *frag_tail = skb; out_recalc: + fq->memory_usage += head->truesize - orig_truesize; if (head->len != orig_len) { flow->backlog += head->len - orig_len; tin->backlog_bytes += head->len - orig_len; -- 2.20.1