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-rw-r--r--net/core/rtnetlink.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 68e0682450c6..7d7223691783 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -3709,13 +3709,13 @@ static int rtnl_dellinkprop(struct sk_buff *skb, struct nlmsghdr *nlh,
return rtnl_linkprop(RTM_DELLINKPROP, skb, nlh, extack);
}
-static u16 rtnl_calcit(struct sk_buff *skb, struct nlmsghdr *nlh)
+static u32 rtnl_calcit(struct sk_buff *skb, struct nlmsghdr *nlh)
{
struct net *net = sock_net(skb->sk);
- struct net_device *dev;
+ size_t min_ifinfo_dump_size = 0;
struct nlattr *tb[IFLA_MAX+1];
u32 ext_filter_mask = 0;
- u16 min_ifinfo_dump_size = 0;
+ struct net_device *dev;
int hdrlen;
/* Same kernel<->userspace interface hack as in rtnl_dump_ifinfo. */
@@ -3735,9 +3735,8 @@ static u16 rtnl_calcit(struct sk_buff *skb, struct nlmsghdr *nlh)
*/
rcu_read_lock();
for_each_netdev_rcu(net, dev) {
- min_ifinfo_dump_size = max_t(u16, min_ifinfo_dump_size,
- if_nlmsg_size(dev,
- ext_filter_mask));
+ min_ifinfo_dump_size = max(min_ifinfo_dump_size,
+ if_nlmsg_size(dev, ext_filter_mask));
}
rcu_read_unlock();
@@ -5494,7 +5493,7 @@ static int rtnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh,
if (kind == 2 && nlh->nlmsg_flags&NLM_F_DUMP) {
struct sock *rtnl;
rtnl_dumpit_func dumpit;
- u16 min_dump_alloc = 0;
+ u32 min_dump_alloc = 0;
link = rtnl_get_link(family, type);
if (!link || !link->dumpit) {