wifi: mt76: mt7925: switch link STA allocation to RCU lifetime

Browse source

Allocate mt792x_link_sta with kzalloc() and free it with kfree_rcu()
instead of devm-managed memory.

msta->link[] is published via RCU, so the link STA must remain valid
until readers have quiesced after teardown. Manage the object lifetime
with kfree_rcu() to match its RCU-visible publication.

Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Link: https://patch.msgid.link/20260306232238.2039675-18-sean.wang@kernel.org
Signed-off-by: Felix Fietkau <nbd@nbd.name>

...

This commit is contained in:

Sean Wang 2026-03-06 17:22:36 -06:00 • committed by Felix Fietkau

parent 52f088a2e6

commit 6ace866cf6

2 changed files with 8 additions and 3 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

10

drivers/net/wireless/mediatek/mt76/mt7925/main.c

View file

1

drivers/net/wireless/mediatek/mt76/mt792x.h

View file