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rtnetlink: Allocate linkinfo[] as struct rtnl_newlink_tbs.

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We will move linkinfo to rtnl_newlink() and pass it down to other
functions.

Let's pack it into rtnl_newlink_tbs.

Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Kuniyuki Iwashima 2024-10-16 11:53:44 -07:00 committed by Paolo Abeni
parent 6f07cd8301
commit fa8ef258da
1 changed files with 5 additions and 3 deletions
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8
net/core/rtnetlink.c
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@ -3622,6 +3622,7 @@ static int rtnl_newlink_create(struct sk_buff *skb, struct ifinfomsg *ifm,
struct rtnl_newlink_tbs {
struct nlattr *tb[IFLA_MAX + 1];
struct nlattr *linkinfo[IFLA_INFO_MAX + 1];
struct nlattr *attr[RTNL_MAX_TYPE + 1];
struct nlattr *slave_attr[RTNL_SLAVE_MAX_TYPE + 1];
};
@ -3630,7 +3631,7 @@ static int __rtnl_newlink(struct sk_buff *skb, struct nlmsghdr *nlh,
struct rtnl_newlink_tbs *tbs,
struct netlink_ext_ack *extack)
{
struct nlattr *linkinfo[IFLA_INFO_MAX + 1];
struct nlattr ** const linkinfo = tbs->linkinfo;
struct nlattr ** const tb = tbs->tb;
const struct rtnl_link_ops *m_ops;
struct net_device *master_dev;
@ -3685,8 +3686,9 @@ static int __rtnl_newlink(struct sk_buff *skb, struct nlmsghdr *nlh,
ifla_info_policy, NULL);
if (err < 0)
return err;
} else
memset(linkinfo, 0, sizeof(linkinfo));
} else {
memset(linkinfo, 0, sizeof(tbs->linkinfo));
}
if (linkinfo[IFLA_INFO_KIND]) {
nla_strscpy(kind, linkinfo[IFLA_INFO_KIND], sizeof(kind));