summaryrefslogtreecommitdiffstats
path: root/net
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2012-04-01 18:53:24 -0400
committerDavid S. Miller <davem@davemloft.net>2012-04-01 18:53:24 -0400
commit516ee48f0be93ea5b41eaa5f7c5e06246447e575 (patch)
treeea5fddd533a654575308253e6e8114cd7ba737c4 /net
parentf577694143b8024e95b2c0b680ab2071424bb1c7 (diff)
downloadop-kernel-dev-516ee48f0be93ea5b41eaa5f7c5e06246447e575.zip
op-kernel-dev-516ee48f0be93ea5b41eaa5f7c5e06246447e575.tar.gz
nf_conntrack_proto_dccp: Stop using NLA_PUT*().
These macros contain a hidden goto, and are thus extremely error prone and make code hard to audit. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/netfilter/nf_conntrack_proto_dccp.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/net/netfilter/nf_conntrack_proto_dccp.c b/net/netfilter/nf_conntrack_proto_dccp.c
index 24fdce2..a58998d 100644
--- a/net/netfilter/nf_conntrack_proto_dccp.c
+++ b/net/netfilter/nf_conntrack_proto_dccp.c
@@ -643,11 +643,12 @@ static int dccp_to_nlattr(struct sk_buff *skb, struct nlattr *nla,
nest_parms = nla_nest_start(skb, CTA_PROTOINFO_DCCP | NLA_F_NESTED);
if (!nest_parms)
goto nla_put_failure;
- NLA_PUT_U8(skb, CTA_PROTOINFO_DCCP_STATE, ct->proto.dccp.state);
- NLA_PUT_U8(skb, CTA_PROTOINFO_DCCP_ROLE,
- ct->proto.dccp.role[IP_CT_DIR_ORIGINAL]);
- NLA_PUT_BE64(skb, CTA_PROTOINFO_DCCP_HANDSHAKE_SEQ,
- cpu_to_be64(ct->proto.dccp.handshake_seq));
+ if (nla_put_u8(skb, CTA_PROTOINFO_DCCP_STATE, ct->proto.dccp.state) ||
+ nla_put_u8(skb, CTA_PROTOINFO_DCCP_ROLE,
+ ct->proto.dccp.role[IP_CT_DIR_ORIGINAL]) ||
+ nla_put_be64(skb, CTA_PROTOINFO_DCCP_HANDSHAKE_SEQ,
+ cpu_to_be64(ct->proto.dccp.handshake_seq)))
+ goto nla_put_failure;
nla_nest_end(skb, nest_parms);
spin_unlock_bh(&ct->lock);
return 0;
@@ -739,9 +740,10 @@ dccp_timeout_obj_to_nlattr(struct sk_buff *skb, const void *data)
const unsigned int *timeouts = data;
int i;
- for (i=CTA_TIMEOUT_DCCP_UNSPEC+1; i<CTA_TIMEOUT_DCCP_MAX+1; i++)
- NLA_PUT_BE32(skb, i, htonl(timeouts[i] / HZ));
-
+ for (i=CTA_TIMEOUT_DCCP_UNSPEC+1; i<CTA_TIMEOUT_DCCP_MAX+1; i++) {
+ if (nla_put_be32(skb, i, htonl(timeouts[i] / HZ)))
+ goto nla_put_failure;
+ }
return 0;
nla_put_failure:
OpenPOWER on IntegriCloud