commit b529ccf2799c14346d1518e9bdf1f88f03643e99
author Arnaldo Carvalho de Melo <acme@redhat.com> Wed Apr 25 19:08:35 2007 -0700
committer David S. Miller <davem@sunset.davemloft.net> Wed Apr 25 22:26:34 2007 -0700
tree f899a5a5d66d2ca21724c1871ee3afeda6c4a670
parent 965ffea43d4ebe8cd7b9fee78d651268dd7d23c5

[NETLINK]: Introduce nlmsg_hdr() helper

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>

net/tipc/netlink.c

diff --git a/net/tipc/netlink.c b/net/tipc/netlink.c
index b8e1edc..4cdafa2 100644
--- a/net/tipc/netlink.c
+++ b/net/tipc/netlink.c
@@ -57,7 +57,7 @@
 
 	if (rep_buf) {
 		skb_push(rep_buf, hdr_space);
-		rep_nlh = (struct nlmsghdr *)rep_buf->data;
+		rep_nlh = nlmsg_hdr(rep_buf);
 		memcpy(rep_nlh, req_nlh, hdr_space);
 		rep_nlh->nlmsg_len = rep_buf->len;
 		genlmsg_unicast(rep_buf, req_nlh->nlmsg_pid);