Commit 1c79a190 authored by Lorenzo Bianconi's avatar Lorenzo Bianconi Committed by Felix Fietkau

mt76: mt7663s: fix a possible ple quota underflow

Properly account current consumed ple quota in mt7663s_tx_pick_quota
routine and avoid possible underflow.

Fixes: 6ef2d665 ("mt76: mt7663s: split mt7663s_tx_update_sched in mt7663s_tx_{pick,update}_quota")
Signed-off-by: default avatarLorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
parent 80dda1ed
...@@ -180,7 +180,7 @@ static int mt7663s_tx_pick_quota(struct mt76_sdio *sdio, enum mt76_txq_id qid, ...@@ -180,7 +180,7 @@ static int mt7663s_tx_pick_quota(struct mt76_sdio *sdio, enum mt76_txq_id qid,
return -EBUSY; return -EBUSY;
} else { } else {
if (sdio->sched.pse_data_quota < *pse_size + pse_sz || if (sdio->sched.pse_data_quota < *pse_size + pse_sz ||
sdio->sched.ple_data_quota < *ple_size) sdio->sched.ple_data_quota < *ple_size + 1)
return -EBUSY; return -EBUSY;
*ple_size = *ple_size + 1; *ple_size = *ple_size + 1;
......
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