net: Revert "net: add function to allocate sk_buff head without data area"

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It was added for netlink mmap tx, there are no callers in the tree.
The commit also added a check for skb->head != NULL in kfree_skb path,
remove that too -- all skbs ought to have skb->head set.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Florian Westphal 2017-07-17 18:56:54 +02:00 • committed by David S. Miller

parent 5c3c6081b2

commit 06dc75ab06

2 changed files with 2 additions and 35 deletions

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6

include/linux/skbuff.h

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31

net/core/skbuff.c

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