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Diffstat (limited to 'net/ipv6/route.c')
-rw-r--r--net/ipv6/route.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 5f0043c30b7..f4fda80a41a 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -2040,7 +2040,7 @@ static int rt6_fill_node(struct sk_buff *skb, struct rt6_info *rt,
nlh = nlmsg_put(skb, pid, seq, type, sizeof(*rtm), flags);
if (nlh == NULL)
- return -ENOBUFS;
+ return -EMSGSIZE;
rtm = nlmsg_data(nlh);
rtm->rtm_family = AF_INET6;
@@ -2111,7 +2111,8 @@ static int rt6_fill_node(struct sk_buff *skb, struct rt6_info *rt,
return nlmsg_end(skb, nlh);
nla_put_failure:
- return nlmsg_cancel(skb, nlh);
+ nlmsg_cancel(skb, nlh);
+ return -EMSGSIZE;
}
int rt6_dump_route(struct rt6_info *rt, void *p_arg)
@@ -2222,9 +2223,12 @@ void inet6_rt_notify(int event, struct rt6_info *rt, struct nl_info *info)
goto errout;
err = rt6_fill_node(skb, rt, NULL, NULL, 0, event, pid, seq, 0, 0);
- /* failure implies BUG in rt6_nlmsg_size() */
- BUG_ON(err < 0);
-
+ if (err < 0) {
+ /* -EMSGSIZE implies BUG in rt6_nlmsg_size() */
+ WARN_ON(err == -EMSGSIZE);
+ kfree_skb(skb);
+ goto errout;
+ }
err = rtnl_notify(skb, pid, RTNLGRP_IPV6_ROUTE, nlh, gfp_any());
errout:
if (err < 0)