commit 6a8c7c5c0773062dcd1bdcc347f7a4a329fc9fe0
author Lorenzo Bianconi <lorenzo@kernel.org> Tue Apr 27 12:07:14 2021 +0200
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> Wed Jul 14 16:56:24 2021 +0200
tree 2045720f59f3fca2e312880cbfcd18543b2a1571
parent 6987ee9bf0a2c06e0f19c0c2fdd340aec4260970

mt76: mt7615: fix NULL pointer dereference in tx_prepare_skb()

[ Upstream commit 8d3cdc1bbb1d355f0ebef973175ae5fd74286feb ]

Fix theoretical NULL pointer dereference in mt7615_tx_prepare_skb and
mt7663_usb_sdio_tx_prepare_skb routines. This issue has been identified
by code analysis.

Fixes: 6aa4ed7927f11 ("mt76: mt7615: implement DMA support for MT7622")
Fixes: 4bb586bc33b98 ("mt76: mt7663u: sync probe sampling with rate configuration")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>