Lorenzo Bianconi <lorenzo@xxxxxxxxxx> wrote: > Trying to probe a mt7921e pci card without firmware results in a > successful probe where ieee80211_register_hw hasn't been called. When > removing the driver, ieee802111_unregister_hw is called unconditionally > leading to a kernel NULL pointer dereference. > Fix the issue running mt76_unregister_device routine just for registered > hw. > > Link: https://bugs.debian.org/1029116 > Link: https://bugs.kali.org/view.php?id=8140 > Reported-by: Stuart Hayhurst <stuart.a.hayhurst@xxxxxxxxx> > Fixes: 1c71e03afe4b ("mt76: mt7921: move mt7921_init_hw in a dedicated work") > Tested-by: Helmut Grohne <helmut@xxxxxxxxxxxx> > Signed-off-by: Lorenzo Bianconi <lorenzo@xxxxxxxxxx> Patch applied to wireless.git, thanks. 41130c32f3a1 wifi: mt76: do not run mt76_unregister_device() on unregistered hw -- https://patchwork.kernel.org/project/linux-wireless/patch/be3457d82f4e44bb71a22b2b5db27b644a37b1e1.1677107277.git.lorenzo@xxxxxxxxxx/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
