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6lowpan: get extra headroom in allocated frame 

Use netdev_alloc_skb_ip_align() instead of alloc_skb() to get some
extra headroom in case we need to forward this frame in a tunnel or
something else.

Signed-off-by: Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
alex.bluesman.smirnov@gmail.com 2012-07-10 21:22:45 +00:00 committed by David S. Miller
parent e885a47a47
commit 79ff1db6d9
1 changed files with 2 additions and 2 deletions
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4
net/ieee802154/6lowpan.c
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@ -661,8 +661,8 @@ lowpan_alloc_new_frame(struct sk_buff *skb, u8 iphc0, u8 len, u8 tag)
frame->tag = tag;
/* allocate buffer for frame assembling */
frame->skb = alloc_skb(frame->length +
sizeof(struct ipv6hdr), GFP_ATOMIC);
frame->skb = netdev_alloc_skb_ip_align(skb->dev, frame->length +
sizeof(struct ipv6hdr));
if (!frame->skb)
goto skb_err;