mt76: fix handling full tx queues in mt76_dma_tx_queue_skb_raw

Fixes a theoretical issue where it could potentially overwrite an existing
descriptor entry (and leaking its skb)

Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau 2020-01-20 12:08:30 +01:00
commit 93eaec7625