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link: Modify link policy on the stack

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Signed-off-by: Thomas Graf <tgraf@suug.ch>
This commit is contained in:
Thomas Graf 2013-02-05 13:21:10 +01:00
parent 2d36371aa1
commit e5767684a6
1 changed files with 5 additions and 2 deletions
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7
lib/route/link.c
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@ -287,6 +287,9 @@ static int link_msg_parser(struct nl_cache_ops *ops, struct sockaddr_nl *who,
struct nlattr *tb[IFLA_MAX+1];
struct rtnl_link_af_ops *af_ops = NULL;
int err, family;
struct nla_policy real_link_policy[IFLA_MAX+1];
memcpy(&real_link_policy, link_policy, sizeof(link_policy));
link = rtnl_link_alloc();
if (link == NULL) {
@ -311,7 +314,7 @@ static int link_msg_parser(struct nl_cache_ops *ops, struct sockaddr_nl *who,
if ((af_ops = af_lookup_and_alloc(link, family))) {
if (af_ops->ao_protinfo_policy) {
memcpy(&link_policy[IFLA_PROTINFO],
memcpy(&real_link_policy[IFLA_PROTINFO],
af_ops->ao_protinfo_policy,
sizeof(struct nla_policy));
}
@ -319,7 +322,7 @@ static int link_msg_parser(struct nl_cache_ops *ops, struct sockaddr_nl *who,
link->l_af_ops = af_ops;
}
err = nlmsg_parse(n, sizeof(*ifi), tb, IFLA_MAX, link_policy);
err = nlmsg_parse(n, sizeof(*ifi), tb, IFLA_MAX, real_link_policy);
if (err < 0)
goto errout;