[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>
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David S. Miller
parent
965ffea43d
commit
b529ccf279
@@ -57,7 +57,7 @@ static int handle_cmd(struct sk_buff *skb, struct genl_info *info)
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if (rep_buf) {
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skb_push(rep_buf, hdr_space);
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rep_nlh = (struct nlmsghdr *)rep_buf->data;
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rep_nlh = nlmsg_hdr(rep_buf);
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memcpy(rep_nlh, req_nlh, hdr_space);
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rep_nlh->nlmsg_len = rep_buf->len;
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genlmsg_unicast(rep_buf, req_nlh->nlmsg_pid);
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