diff options
| -rw-r--r-- | drivers/net/wireless/ath/wil6210/txrx.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/net/wireless/ath/wil6210/txrx.c b/drivers/net/wireless/ath/wil6210/txrx.c index 2a9d56a5fd0..e563af13740 100644 --- a/drivers/net/wireless/ath/wil6210/txrx.c +++ b/drivers/net/wireless/ath/wil6210/txrx.c @@ -730,12 +730,13 @@ static int wil_tx_vring(struct wil6210_priv *wil, struct vring *vring, return 0; dma_error: /* unmap what we have mapped */ - /* Note: increment @f to operate with positive index */ - for (f++; f > 0; f--) { + nr_frags = f + 1; /* frags mapped + one for skb head */ + for (f = 0; f < nr_frags; f++) { u16 dmalen; - struct wil_ctx *ctx = &vring->ctx[i]; + struct wil_ctx *ctx; i = (swhead + f) % vring->size; + ctx = &vring->ctx[i]; _d = &(vring->va[i].tx); *d = *_d; _d->dma.status = TX_DMA_STATUS_DU; |