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netlink: constify nlmsghdr arguments

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Consitfy nlmsghdr arguments to a couple of functions as preparation
for the next patch, which will constify the netlink message data in
all nfnetlink users.

Signed-off-by: Patrick McHardy <kaber@trash.net>
This commit is contained in:
Patrick McHardy
2009-08-25 16:07:40 +02:00
parent 74f7a6552c
commit 3a6c2b419b
5 changed files with 13 additions and 12 deletions
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include/net/netlink.h
+2 -2
View File
@@ -365,7 +365,7 @@ static inline struct nlmsghdr *nlmsg_next(struct nlmsghdr *nlh, int *remaining)
*
* See nla_parse()
*/
static inline int nlmsg_parse(struct nlmsghdr *nlh, int hdrlen,
static inline int nlmsg_parse(const struct nlmsghdr *nlh, int hdrlen,
struct nlattr *tb[], int maxtype,
const struct nla_policy *policy)
{
@@ -414,7 +414,7 @@ static inline int nlmsg_validate(struct nlmsghdr *nlh, int hdrlen, int maxtype,
*
* Returns 1 if a report back to the application is requested.
*/
static inline int nlmsg_report(struct nlmsghdr *nlh)
static inline int nlmsg_report(const struct nlmsghdr *nlh)
{
return !!(nlh->nlmsg_flags & NLM_F_ECHO);
}
include/net/rtnetlink.h
+1 -1
View File
@@ -14,7 +14,7 @@ extern void rtnl_register(int protocol, int msgtype,
extern int rtnl_unregister(int protocol, int msgtype);
extern void rtnl_unregister_all(int protocol);
static inline int rtnl_msg_family(struct nlmsghdr *nlh)
static inline int rtnl_msg_family(const struct nlmsghdr *nlh)
{
if (nlmsg_len(nlh) >= sizeof(struct rtgenmsg))
return ((struct rtgenmsg *) nlmsg_data(nlh))->rtgen_family;