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3c59x: Fix bad offset spec in skb_frag_dma_map 

Recently aded the use of skb_frag_dma_map to 3c59x, but didn't realize it
automatically included the frag_offset internally, as well as provided an option
to specify an extra offset in the parameter list.  We need to specify an offset
of 0 in the parameter list to avoid skb corruption that results in lost
connections.

Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
CC: Linux Kernel list <linux-kernel@vger.kernel.org>
CC: "David S. Miller" <davem@davemloft.net>
CC: Meelis Roos <mroos@linux.ee>
Tested-by: Meelis Roos <mroos@linux.ee>
This commit is contained in:
Neil Horman 2014-09-17 09:04:45 -04:00 committed by David S. Miller
parent 6f2b6a3005
commit 8400dd029e
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/3com/3c59x.c
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@ -2186,7 +2186,7 @@ boomerang_start_xmit(struct sk_buff *skb, struct net_device *dev)
skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
dma_addr = skb_frag_dma_map(&VORTEX_PCI(vp)->dev, frag,
frag->page_offset,
0,
frag->size,
DMA_TO_DEVICE);
if (dma_mapping_error(&VORTEX_PCI(vp)->dev, dma_addr)) {