This is a note to let you know that I've just added the patch titled
wcn36xx: Release DMA channel descriptor allocations
to the 5.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
wcn36xx-release-dma-channel-descriptor-allocations.patch
and it can be found in the queue-5.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit d91742e39ba8130dad00d385a533165a3f118b22
Author: Bryan O'Donoghue <bryan.odonoghue@xxxxxxxxxx>
Date: Fri Nov 5 12:21:51 2021 +0000
wcn36xx: Release DMA channel descriptor allocations
[ 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@xxxxxxxxxx>
Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20211105122152.1580542-3-bryan.odonoghue@xxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/wireless/ath/wcn36xx/dxe.c b/drivers/net/wireless/ath/wcn36xx/dxe.c
index 0909d0c423cbb..b117d8a0f446f 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);
}
