mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
synced 2026-08-31 04:46:30 -04:00
39afc46c02
PKT_TYPE_TXRX_NOTIFY is an mmio-only event, but mt7615_rx_check() and mt7615_queue_rx_skb() dispatch it to mt7615_mac_tx_free() on every bus. mt7615_mac_tx_free() cleans the DMA tx queues with mt76_queue_tx_cleanup(), which calls queue_ops->tx_cleanup(). Only the mmio queue ops implement that callback; on the mt7663 USB and SDIO buses it is NULL, so a TXRX_NOTIFY there calls a NULL pointer in the RX worker. Same defect as the mt7921 and mt7925 patches in this series. Drop the event on non-mmio buses via mt76_is_mmio(), as in commit5683e1488a("wifi: mt76: connac: do not check WED status for non-mmio devices"). Fixes:eb99cc95c3("mt76: mt7615: introduce mt7663u support") Cc: stable@vger.kernel.org Signed-off-by: Devin Wittmayer <lucid_duck@justthetip.ca> Link: https://patch.msgid.link/20260627191336.20223-4-lucid_duck@justthetip.ca Signed-off-by: Felix Fietkau <nbd@nbd.name>