diff options
Diffstat (limited to 'drivers/net/wireless/ath/wcn36xx/dxe.c')
| -rw-r--r-- | drivers/net/wireless/ath/wcn36xx/dxe.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/wcn36xx/dxe.c b/drivers/net/wireless/ath/wcn36xx/dxe.c index 73f12f196f1..086549b732b 100644 --- a/drivers/net/wireless/ath/wcn36xx/dxe.c +++ b/drivers/net/wireless/ath/wcn36xx/dxe.c @@ -84,6 +84,7 @@ static int wcn36xx_dxe_allocate_ctl_block(struct wcn36xx_dxe_ch *ch) if (!cur_ctl) goto out_fail; + spin_lock_init(&cur_ctl->skb_lock); cur_ctl->ctl_blk_order = i; if (i == 0) { ch->head_blk_ctl = cur_ctl; @@ -354,6 +355,8 @@ 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); |