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

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

drivers/net/wireless/mediatek/mt76/mt7615/sdio_txrx.c

+1 −1
Original line number Diff line number Diff line
@@ -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;