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| author | Alexander Aring <alex.aring@gmail.com> | 2013-10-30 09:18:24 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-10-30 17:18:46 -0400 |
| commit | 3582b900ad2c1e218e4963060ba6dcf757cb702e (patch) | |
| tree | 6483821dfea97939caae9b0136884a12d2bd39f7 /net/ieee802154 | |
| parent | 578d524127612354d91905f932ee88d73d8d1645 (diff) | |
| download | linux-3582b900ad2c1e218e4963060ba6dcf757cb702e.tar.gz linux-3582b900ad2c1e218e4963060ba6dcf757cb702e.tar.bz2 linux-3582b900ad2c1e218e4963060ba6dcf757cb702e.zip | |
6lowpan: cleanup skb copy data
This patch drops the direct memcpy on skb and uses the right skb
memcpy functions. Also remove an unnecessary check if plen is non zero.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Reviewed-by: Werner Almesberger <werner@almesberger.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ieee802154')
| -rw-r--r-- | net/ieee802154/6lowpan.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/net/ieee802154/6lowpan.c b/net/ieee802154/6lowpan.c index 58c07fd967d1..9497c6f3276b 100644 --- a/net/ieee802154/6lowpan.c +++ b/net/ieee802154/6lowpan.c @@ -1122,12 +1122,15 @@ lowpan_fragment_xmit(struct sk_buff *skb, u8 *head, frag->priority = skb->priority; /* copy header, MFR and payload */ - memcpy(skb_put(frag, mlen), skb->data, mlen); - memcpy(skb_put(frag, hlen), head, hlen); + skb_put(frag, mlen); + skb_copy_to_linear_data(frag, skb_mac_header(skb), mlen); - if (plen) - skb_copy_from_linear_data_offset(skb, offset + mlen, - skb_put(frag, plen), plen); + skb_put(frag, hlen); + skb_copy_to_linear_data_offset(frag, mlen, head, hlen); + + skb_put(frag, plen); + skb_copy_to_linear_data_offset(frag, mlen + hlen, + skb_network_header(skb) + offset, plen); lowpan_raw_dump_table(__func__, " raw fragment dump", frag->data, frag->len); |