mt76: mt7615: fix NULL pointer dereference in tx_prepare_skb()
authorLorenzo Bianconi <lorenzo@kernel.org>
Tue, 27 Apr 2021 10:07:14 +0000 (12:07 +0200)
committerFelix Fietkau <nbd@nbd.name>
Sat, 19 Jun 2021 07:22:43 +0000 (09:22 +0200)
commit8d3cdc1bbb1d355f0ebef973175ae5fd74286feb
tree2478648d9e7273b7fe3fa8ae76ed00f05ebf76fa
parentd7400a2f3e295b8cee692c7a66e10f60015a3c37
mt76: mt7615: fix NULL pointer dereference in tx_prepare_skb()

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>
drivers/net/wireless/mediatek/mt76/mt7615/pci_mac.c
drivers/net/wireless/mediatek/mt76/mt7615/usb_sdio.c