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    Subject[PATCH 5.15 100/846] wcn36xx: Release DMA channel descriptor allocations
    Date
    From: Bryan O'Donoghue <bryan.odonoghue@linaro.org>

    [ Upstream commit 3652096e5263ad67604b0323f71d133485f410e5 ]

    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
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    drivers/net/wireless/ath/wcn36xx/dxe.c | 5 +++++
    1 file changed, 5 insertions(+)

    diff --git a/drivers/net/wireless/ath/wcn36xx/dxe.c b/drivers/net/wireless/ath/wcn36xx/dxe.c
    index 0c4f63f1312f8..017c7d78072ba 100644
    --- a/drivers/net/wireless/ath/wcn36xx/dxe.c
    +++ b/drivers/net/wireless/ath/wcn36xx/dxe.c
    @@ -1014,4 +1014,9 @@ 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);
    }
    --
    2.34.1


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