[PATCH] netlink: get rid of the useless function of nlmsg_get_pos()
From: <hidden>
Date: 2012-10-25 10:01:28
From: Hans Zhang <redacted> This function just report the pointer of skb->tail, and there's only one use in the kernel. Signed-off-by: Hans Zhang <redacted> --- include/net/netlink.h | 12 ------------ net/ipv4/fib_semantics.c | 2 +- 2 files changed, 1 insertions(+), 13 deletions(-)
diff --git a/include/net/netlink.h b/include/net/netlink.h
index 9690b0f..ca36b08 100644
--- a/include/net/netlink.h
+++ b/include/net/netlink.h@@ -36,7 +36,6 @@ * nlmsg_put() add a netlink message to an skb * nlmsg_put_answer() callback based nlmsg_put() * nlmsg_end() finalize netlink message - * nlmsg_get_pos() return current position in message * nlmsg_trim() trim part of message * nlmsg_cancel() cancel message construction * nlmsg_free() free a netlink message
@@ -514,17 +513,6 @@ static inline int nlmsg_end(struct sk_buff *skb, struct nlmsghdr *nlh) } /** - * nlmsg_get_pos - return current position in netlink message - * @skb: socket buffer the message is stored in - * - * Returns a pointer to the current tail of the message. - */ -static inline void *nlmsg_get_pos(struct sk_buff *skb) -{ - return skb_tail_pointer(skb); -} - -/** * nlmsg_trim - Trim message to a mark * @skb: socket buffer the message is stored in * @mark: mark to trim to
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index 4797a80..8d047bf 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c@@ -1072,7 +1072,7 @@ int fib_dump_info(struct sk_buff *skb, u32 portid, u32 seq, int event, goto nla_put_failure; #endif /* length of rtnetlink header + attributes */ - rtnh->rtnh_len = nlmsg_get_pos(skb) - (void *) rtnh; + rtnh->rtnh_len = (void *) skb_tail_pointer(skb) - (void *) rtnh; } endfor_nexthops(fi); nla_nest_end(skb, mp);
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1.7.1