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-rw-r--r--net/bridge/br_netlink.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
index 1ef14a099c6b..5aeb3646e74c 100644
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -589,9 +589,13 @@ static int br_fill_ifinfo(struct sk_buff *skb,
}
done:
+ if (af) {
+ if (nlmsg_get_pos(skb) - (void *)af > nla_attr_size(0))
+ nla_nest_end(skb, af);
+ else
+ nla_nest_cancel(skb, af);
+ }
- if (af)
- nla_nest_end(skb, af);
nlmsg_end(skb, nlh);
return 0;