diff --git a/drivers/net/wireless/ath/wcn36xx/dxe.c b/drivers/net/wireless/ath/wcn36xx/dxe.c index 73f12f196f14ec6ee14368dee20673f67b8045a3..3d6bc9b8717677d359767f2a5e258e2c7c8ec4f2 100644 --- a/drivers/net/wireless/ath/wcn36xx/dxe.c +++ b/drivers/net/wireless/ath/wcn36xx/dxe.c @@ -354,6 +354,8 @@ static void reap_tx_dxes(struct wcn36xx *wcn, struct wcn36xx_dxe_ch *ch) * and while-do will not make any cycles. */ do { + if (ctl->desc->ctrl & WCN36XX_DXE_CTRL_VALID_MASK) + break; if (ctl->skb) { dma_unmap_single(NULL, ctl->desc->src_addr_l, ctl->skb->len, DMA_TO_DEVICE);