[NETLINK]: Introduce nlmsg_hdr() helper
authorArnaldo Carvalho de Melo <acme@redhat.com>
Thu, 26 Apr 2007 02:08:35 +0000 (19:08 -0700)
committerDavid S. Miller <davem@sunset.davemloft.net>
Thu, 26 Apr 2007 05:26:34 +0000 (22:26 -0700)
For the common "(struct nlmsghdr *)skb->data" sequence, so that we reduce the
number of direct accesses to skb->data and for consistency with all the other
cast skb member helpers.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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