2021-04-13 14:57:21

by Lorenzo Bianconi

[permalink] [raw]
Subject: [PATCH v2] mt76: mt7921: add mt7921_dma_cleanup in mt7921_unregister_device

In order to avoid memory leaks, clean the dma engine unloading the
module

Signed-off-by: Lorenzo Bianconi <[email protected]>
---
Changes since v1:
- move mt7921_dma_cleanup before mt7921_mcu_exit
---
drivers/net/wireless/mediatek/mt76/mt7921/init.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/init.c b/drivers/net/wireless/mediatek/mt76/mt7921/init.c
index 5bb0a7b9e9e5..94fe2eadf285 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/init.c
@@ -272,8 +272,9 @@ int mt7921_register_device(struct mt7921_dev *dev)
void mt7921_unregister_device(struct mt7921_dev *dev)
{
mt76_unregister_device(&dev->mt76);
- mt7921_mcu_exit(dev);
mt7921_tx_token_put(dev);
+ mt7921_dma_cleanup(dev);
+ mt7921_mcu_exit(dev);

tasklet_disable(&dev->irq_tasklet);
mt76_free_device(&dev->mt76);
--
2.30.2