diff options
| author | David Ahern <dsa@cumulusnetworks.com> | 2017-01-11 14:29:54 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-01-12 15:11:43 -0500 |
| commit | ea7a80858f57d8878b1499ea0f1b8a635cc48de7 (patch) | |
| tree | 5befd248f3af2f3a74bcaa7f4a4d2117f9c6a5fe /net/ipv4 | |
| parent | 18a3ed59d09cf81a6447aadf6931bf0c9ffec5e0 (diff) | |
net: lwtunnel: Handle lwtunnel_fill_encap failure
Handle failure in lwtunnel_fill_encap adding attributes to skb.
Fixes: 571e722676fe ("ipv4: support for fib route lwtunnel encap attributes")
Fixes: 19e42e451506 ("ipv6: support for fib route lwtunnel encap attributes")
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4')
| -rw-r--r-- | net/ipv4/fib_semantics.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c index eba1546b5031..9a375b908d01 100644 --- a/net/ipv4/fib_semantics.c +++ b/net/ipv4/fib_semantics.c @@ -1279,8 +1279,9 @@ int fib_dump_info(struct sk_buff *skb, u32 portid, u32 seq, int event, nla_put_u32(skb, RTA_FLOW, fi->fib_nh[0].nh_tclassid)) goto nla_put_failure; #endif - if (fi->fib_nh->nh_lwtstate) - lwtunnel_fill_encap(skb, fi->fib_nh->nh_lwtstate); + if (fi->fib_nh->nh_lwtstate && + lwtunnel_fill_encap(skb, fi->fib_nh->nh_lwtstate) < 0) + goto nla_put_failure; } #ifdef CONFIG_IP_ROUTE_MULTIPATH if (fi->fib_nhs > 1) { @@ -1316,8 +1317,10 @@ int fib_dump_info(struct sk_buff *skb, u32 portid, u32 seq, int event, nla_put_u32(skb, RTA_FLOW, nh->nh_tclassid)) goto nla_put_failure; #endif - if (nh->nh_lwtstate) - lwtunnel_fill_encap(skb, nh->nh_lwtstate); + if (nh->nh_lwtstate && + lwtunnel_fill_encap(skb, nh->nh_lwtstate) < 0) + goto nla_put_failure; + /* length of rtnetlink header + attributes */ rtnh->rtnh_len = nlmsg_get_pos(skb) - (void *) rtnh; } endfor_nexthops(fi); |