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mt76: mt7663s: fix a possible ple quota underflow

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

Fixes: 6ef2d665f64d ("mt76: mt7663s: split mt7663s_tx_update_sched in mt7663s_tx_{pick,update}_quota")
Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Lorenzo Bianconi
2020-10-11 21:48:37 +02:00
committed by Felix Fietkau
parent f9ae638af7
commit 1a5758d894
1 changed files with 1 additions and 1 deletions
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mt7615/sdio_txrx.c
+1 -1
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@@ -180,7 +180,7 @@ static int mt7663s_tx_pick_quota(struct mt76_sdio *sdio, enum mt76_txq_id qid,
return -EBUSY;
} else {
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;
*ple_size = *ple_size + 1;