linux-kernel - [25/35] netlink: Make nlmsg_find

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Message-Id: <20110708225121.205719004@clark.kroah.org>
Date:	Fri, 08 Jul 2011 15:50:14 -0700
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Nelson Elhage <nelhage@...lice.com>,
	"David S. Miller" <davem@...emloft.net>
Subject: [25/35] netlink: Make nlmsg_find_attr take a const nlmsghdr*.

2.6.32-longterm review patch.  If anyone has any objections, please let us know.

------------------

From: Nelson Elhage <nelhage@...lice.com>

commit 6b8c92ba07287578718335ce409de8e8d7217e40 upstream.

This will let us use it on a nlmsghdr stored inside a netlink_callback.

Signed-off-by: Nelson Elhage <nelhage@...lice.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 include/net/netlink.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/include/net/netlink.h
+++ b/include/net/netlink.h
@@ -384,7 +384,7 @@ static inline int nlmsg_parse(const stru
  *
  * Returns the first attribute which matches the specified type.
  */
-static inline struct nlattr *nlmsg_find_attr(struct nlmsghdr *nlh,
+static inline struct nlattr *nlmsg_find_attr(const struct nlmsghdr *nlh,
 					     int hdrlen, int attrtype)
 {
 	return nla_find(nlmsg_attrdata(nlh, hdrlen),


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