diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/dma.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/dma.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/dma.c b/drivers/net/wireless/mediatek/mt76/dma.c index cc6840377bc2..57866c1e9c98 100644 --- a/drivers/net/wireless/mediatek/mt76/dma.c +++ b/drivers/net/wireless/mediatek/mt76/dma.c @@ -393,22 +393,27 @@ static void mt76_add_fragment(struct mt76_dev *dev, struct mt76_queue *q, void *data, int len, bool more) { - struct page *page = virt_to_head_page(data); - int offset = data - page_address(page); struct sk_buff *skb = q->rx_head; struct skb_shared_info *shinfo = skb_shinfo(skb); + int nr_frags = shinfo->nr_frags; - if (shinfo->nr_frags < ARRAY_SIZE(shinfo->frags)) { - offset += q->buf_offset; - skb_add_rx_frag(skb, shinfo->nr_frags, page, offset, len, - q->buf_size); + if (nr_frags < ARRAY_SIZE(shinfo->frags)) { + struct page *page = virt_to_head_page(data); + int offset = data - page_address(page) + q->buf_offset; + + skb_add_rx_frag(skb, nr_frags, page, offset, len, q->buf_size); + } else { + skb_free_frag(data); } if (more) return; q->rx_head = NULL; - dev->drv->rx_skb(dev, q - dev->q_rx, skb); + if (nr_frags < ARRAY_SIZE(shinfo->frags)) + dev->drv->rx_skb(dev, q - dev->q_rx, skb); + else + dev_kfree_skb(skb); } static int |