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| author | Lorenzo Bianconi <lorenzo@kernel.org> | 2020-10-05 18:22:23 +0300 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2020-12-04 15:46:15 +0300 |
| commit | 1c79a190e94325e01811f653f770a34e816fdd8f (patch) | |
| tree | 2e61a1a94a43527e15f1e2bde334264affc2894d | |
| parent | 80dda1ed4908704d5e6847f9835ceee0bb00b2d4 (diff) | |
| download | linux-1c79a190e94325e01811f653f770a34e816fdd8f.tar.xz | |
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: 6ef2d665f64d ("mt76: mt7663s: split mt7663s_tx_update_sched in mt7663s_tx_{pick,update}_quota")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7615/sdio_txrx.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/sdio_txrx.c b/drivers/net/wireless/mediatek/mt76/mt7615/sdio_txrx.c index a4969380c860..77377c208064 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/sdio_txrx.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/sdio_txrx.c @@ -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; |