Commit 638266f7 authored by David S. Miller's avatar David S. Miller
Browse files

tg3: Fix DMA mapping leak in tigon3_dma_hwbug_workaround().



Noticed by Michael Chan.
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 90079ce8
......@@ -4631,6 +4631,9 @@ static int tigon3_dma_hwbug_workaround(struct tg3 *tp, struct sk_buff *skb,
* Drop the packet if it does.
*/
if (ret || tg3_4g_overflow_test(new_addr, new_skb->len)) {
if (!ret)
skb_dma_unmap(&tp->pdev->dev, new_skb,
DMA_TO_DEVICE);
ret = -1;
dev_kfree_skb(new_skb);
new_skb = NULL;
......
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