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path: root/drivers/net/wireless/mediatek/mt76/sdio.c
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Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/sdio.c')
-rw-r--r--drivers/net/wireless/mediatek/mt76/sdio.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/sdio.c b/drivers/net/wireless/mediatek/mt76/sdio.c
index 0b6facb17ff7..a18d2896ee1f 100644
--- a/drivers/net/wireless/mediatek/mt76/sdio.c
+++ b/drivers/net/wireless/mediatek/mt76/sdio.c
@@ -256,6 +256,9 @@ mt76s_tx_queue_skb(struct mt76_dev *dev, struct mt76_queue *q,
q->entry[q->head].skb = tx_info.skb;
q->entry[q->head].buf_sz = len;
+
+ smp_wmb();
+
q->head = (q->head + 1) % q->ndesc;
q->queued++;