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| author | Dhananjay Phadke <dhananjay@netxen.com> | 2009-09-03 13:10:55 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-09-03 20:02:04 -0700 |
| commit | cf503e8f458cec455b18d3938b3b27de6db3105e (patch) | |
| tree | 1a74f7741be82cd6ded3371ee794f80f749e1a86 | |
| parent | 270e57e133a9e61c8c62ea4a0d1ffdf53f91caf1 (diff) | |
| download | linux-3.10-cf503e8f458cec455b18d3938b3b27de6db3105e.tar.gz linux-3.10-cf503e8f458cec455b18d3938b3b27de6db3105e.tar.bz2 linux-3.10-cf503e8f458cec455b18d3938b3b27de6db3105e.zip | |
netxen: fix infinite loop on dma mapping failure
Fix a perpetual while() loop in unwinding partial
mapped tx skb on dma mapping failure.
Reported-by: "Juha Leppanen" <juha_motorsportcom@luukku.com>
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/netxen/netxen_nic_main.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c index 53d57dc4d64..41b29671fc9 100644 --- a/drivers/net/netxen/netxen_nic_main.c +++ b/drivers/net/netxen/netxen_nic_main.c @@ -1577,8 +1577,8 @@ netxen_map_tx_skb(struct pci_dev *pdev, return 0; unwind: - while (i > 0) { - nf = &pbuf->frag_array[i]; + while (--i >= 0) { + nf = &pbuf->frag_array[i+1]; pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE); } |