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mt76: mt76s: fix oom in mt76s_tx_queue_skb_raw

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Free the mcu skb in case of error in mt76s_tx_queue_skb_raw routine

Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Lorenzo Bianconi
2020-08-05 11:33:02 +02:00
committed by Felix Fietkau
parent ae4757a0ae
commit c4544d1e8a
1 changed files with 9 additions and 4 deletions
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sdio.c
+9 -4
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@@ -244,22 +244,27 @@ mt76s_tx_queue_skb_raw(struct mt76_dev *dev, enum mt76_txq_id qid,
struct mt76_queue *q = dev->q_tx[qid].q;
int ret = -ENOSPC, len = skb->len;
spin_lock_bh(&q->lock);
if (q->queued == q->ndesc)
goto out;
goto error;
ret = mt76_skb_adjust_pad(skb);
if (ret)
goto out;
goto error;
spin_lock_bh(&q->lock);
q->entry[q->tail].buf_sz = len;
q->entry[q->tail].skb = skb;
q->tail = (q->tail + 1) % q->ndesc;
q->queued++;
out:
spin_unlock_bh(&q->lock);
return 0;
error:
dev_kfree_skb(skb);
return ret;
}