wcn36xx: Release DMA channel descriptor allocations

When unloading the driver we are not releasing the DMA descriptors which we
previously allocated.

Fixes: 8e84c2582169 ("wcn36xx: mac80211 driver for Qualcomm WCN3660/WCN3680 hardware")
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20211105122152.1580542-3-bryan.odonoghue@linaro.org

diff --git a/drivers/net/wireless/ath/wcn36xx/dxe.c b/drivers/net/wireless/ath/wcn36xx/dxe.c
index d6c621518c7b8649eeada7a79c0615ecaa830e1b..d6c951f7dec3b9afae74a684c175adcac9c9297a 100644 (file)
--- a/drivers/net/wireless/ath/wcn36xx/dxe.c
+++ b/drivers/net/wireless/ath/wcn36xx/dxe.c
@@ -1061,4 +1061,9 @@ void wcn36xx_dxe_deinit(struct wcn36xx *wcn)
 
        wcn36xx_dxe_ch_free_skbs(wcn, &wcn->dxe_rx_l_ch);
        wcn36xx_dxe_ch_free_skbs(wcn, &wcn->dxe_rx_h_ch);
+
+       wcn36xx_dxe_deinit_descs(wcn->dev, &wcn->dxe_tx_l_ch);
+       wcn36xx_dxe_deinit_descs(wcn->dev, &wcn->dxe_tx_h_ch);
+       wcn36xx_dxe_deinit_descs(wcn->dev, &wcn->dxe_rx_l_ch);
+       wcn36xx_dxe_deinit_descs(wcn->dev, &wcn->dxe_rx_h_ch);
 }