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mt76x2: fix headroom handling and buffer length check

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Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Felix Fietkau
2016-02-01 22:04:58 +01:00
parent 1b5492bd23
commit 1a099a26d1
1 changed files with 3 additions and 5 deletions
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mt76x2_dma.c
+3 -5
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@@ -126,14 +126,11 @@ static void
mt76x2_process_rx_skb(struct mt76x2_dev *dev, struct mt76_queue *q,
struct sk_buff *skb, u32 info)
{
void *rxwi = skb->data - sizeof(struct mt76x2_rxwi);
void *rxwi = skb->data;
if (q == &dev->mcu.q_rx) {
u32 *rxfce;
/* No RXWI header, data starts with payload */
skb_push(skb, sizeof(struct mt76x2_rxwi));
rxfce = (u32 *) skb->cb;
*rxfce = info;
@@ -142,6 +139,7 @@ mt76x2_process_rx_skb(struct mt76x2_dev *dev, struct mt76_queue *q,
return;
}
skb_pull(skb, sizeof(struct mt76x2_rxwi));
if (mt76x2_mac_process_rx(dev, skb, rxwi)) {
dev_kfree_skb(skb);
return;
@@ -173,7 +171,7 @@ mt76x2_process_rx_queue(struct mt76x2_dev *dev, struct mt76_queue *q, int budget
continue;
}
skb_reserve(skb, MT_RX_HEADROOM);
skb_reserve(skb, q->buf_offset);
if (skb->tail + len > skb->end) {
dev_kfree_skb(skb);
continue;