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| author | Daniel Mack <daniel@zonque.org> | 2018-05-23 11:14:44 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2018-05-25 13:07:43 +0300 |
| commit | 18c7ed138824119f2ef9c9019e222e3e750b42b8 (patch) | |
| tree | 61cd242325a2c6ab932df22caefe972d5bf28563 | |
| parent | ce1d4be82b1009374f7bea0229fb6758cb1afb84 (diff) | |
| download | linux-18c7ed138824119f2ef9c9019e222e3e750b42b8.tar.bz2 | |
wcn36xx: consider CTRL_EOP bit when looking for valid descriptors
In reap_tx_dxes(), when we iterate over the linked descriptors, only
consider such valid that have WCN36xx_DXE_CTRL_EOP set.
This is what the prima downstream driver is doing as well.
Signed-off-by: Daniel Mack <daniel@zonque.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
| -rw-r--r-- | drivers/net/wireless/ath/wcn36xx/dxe.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/wcn36xx/dxe.c b/drivers/net/wireless/ath/wcn36xx/dxe.c index 8c64e05ca3b7..06cfe8d311f3 100644 --- a/drivers/net/wireless/ath/wcn36xx/dxe.c +++ b/drivers/net/wireless/ath/wcn36xx/dxe.c @@ -370,7 +370,9 @@ static void reap_tx_dxes(struct wcn36xx *wcn, struct wcn36xx_dxe_ch *ch) do { if (READ_ONCE(ctl->desc->ctrl) & WCN36xx_DXE_CTRL_VLD) break; - if (ctl->skb) { + + if (ctl->skb && + READ_ONCE(ctl->desc->ctrl) & WCN36xx_DXE_CTRL_EOP) { dma_unmap_single(wcn->dev, ctl->desc->src_addr_l, ctl->skb->len, DMA_TO_DEVICE); info = IEEE80211_SKB_CB(ctl->skb); |