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| author | David S. Miller <davem@davemloft.net> | 2008-09-11 15:45:19 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-09-11 15:45:19 -0700 |
| commit | 638266f7e879e34de4a4635049c15f5a58505e75 (patch) | |
| tree | cf9aba26a0ac2f0e9efb2bd0124b57a5f7506bd8 | |
| parent | 90079ce89aa65e17f36ac2b09110720c51d874f4 (diff) | |
| download | linux-stable-638266f7e879e34de4a4635049c15f5a58505e75.tar.gz linux-stable-638266f7e879e34de4a4635049c15f5a58505e75.tar.bz2 linux-stable-638266f7e879e34de4a4635049c15f5a58505e75.zip | |
tg3: Fix DMA mapping leak in tigon3_dma_hwbug_workaround().
Noticed by Michael Chan.
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/tg3.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index 355e8bcf6fed..123920759efd 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -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; |