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| author | David S. Miller <davem@sunset.davemloft.net> | 2006-01-19 01:19:10 +0300 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-01-19 01:19:10 +0300 |
| commit | 7ac5459ec0f074022818af35c589b9e2b406d7c3 (patch) | |
| tree | 2b623adcfcce2185b60b1aceed01f3a68b471f4e /net/core | |
| parent | e048a374d0d7beb9cf3529eac71ddd79699c8669 (diff) | |
| download | linux-7ac5459ec0f074022818af35c589b9e2b406d7c3.tar.xz | |
[PKTGEN]: Respect hard_header_len of device.
Don't assume 16.
Found by Ben Greear.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core')
| -rw-r--r-- | net/core/pktgen.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/net/core/pktgen.c b/net/core/pktgen.c index 3827f881f429..da16f8fd1494 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -1860,13 +1860,14 @@ static struct sk_buff *fill_packet_ipv4(struct net_device *odev, */ mod_cur_headers(pkt_dev); - skb = alloc_skb(pkt_dev->cur_pkt_size + 64 + 16, GFP_ATOMIC); + datalen = (odev->hard_header_len + 16) & ~0xf; + skb = alloc_skb(pkt_dev->cur_pkt_size + 64 + datalen, GFP_ATOMIC); if (!skb) { sprintf(pkt_dev->result, "No memory"); return NULL; } - skb_reserve(skb, 16); + skb_reserve(skb, datalen); /* Reserve for ethernet and IP header */ eth = (__u8 *) skb_push(skb, 14); |