Commit 79ff1db6 authored Jul 10, 2012 by alex.bluesman.smirnov@gmail.com Committed by David S. Miller Jul 12, 2012

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>

parent e885a47a

net/ieee802154/6lowpan.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -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;

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