6.18-stable review patch. If anyone has any objections, please let me know.
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From: Lorenzo Bianconi lorenzo@kernel.org
[ Upstream commit 7545551631fa63101f97974f49ac0b564814f703 ]
Grab the mt76 mutex running mt7996_mac_sta_rc_work() since it is required by mt7996_mcu_add_rate_ctrl routine.
Fixes: 28d519d0d493a ("wifi: mt76: Move RCU section in mt7996_mcu_add_rate_ctrl_fixed()") Signed-off-by: Lorenzo Bianconi lorenzo@kernel.org Link: https://patch.msgid.link/20251118-mt7996-rc-work-missing-mtx-v1-1-0739c493a6... Signed-off-by: Felix Fietkau nbd@nbd.name Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/wireless/mediatek/mt76/mt7996/mac.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mac.c b/drivers/net/wireless/mediatek/mt76/mt7996/mac.c index cfad46a532bb7..502136691a69e 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7996/mac.c @@ -2860,6 +2860,8 @@ void mt7996_mac_sta_rc_work(struct work_struct *work) LIST_HEAD(list); u32 changed;
+ mutex_lock(&dev->mt76.mutex); + spin_lock_bh(&dev->mt76.sta_poll_lock); list_splice_init(&dev->sta_rc_list, &list);
@@ -2892,6 +2894,8 @@ void mt7996_mac_sta_rc_work(struct work_struct *work) }
spin_unlock_bh(&dev->mt76.sta_poll_lock); + + mutex_unlock(&dev->mt76.mutex); }
void mt7996_mac_work(struct work_struct *work)