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nf_conntrack_proto_udp{,lite}: 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>
This commit is contained in:
David S. Miller 2012-04-01 18:48:06 -04:00
parent 7c80118953
commit 3c60a17b1b
2 changed files with 10 additions and 8 deletions
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9
net/netfilter/nf_conntrack_proto_udp.c
View File

@ -181,10 +181,11 @@ udp_timeout_obj_to_nlattr(struct sk_buff *skb, const void *data)
{
const unsigned int *timeouts = data;
NLA_PUT_BE32(skb, CTA_TIMEOUT_UDP_UNREPLIED,
htonl(timeouts[UDP_CT_UNREPLIED] / HZ));
NLA_PUT_BE32(skb, CTA_TIMEOUT_UDP_REPLIED,
htonl(timeouts[UDP_CT_REPLIED] / HZ));
if (nla_put_be32(skb, CTA_TIMEOUT_UDP_UNREPLIED,
htonl(timeouts[UDP_CT_UNREPLIED] / HZ)) ||
nla_put_be32(skb, CTA_TIMEOUT_UDP_REPLIED,
htonl(timeouts[UDP_CT_REPLIED] / HZ)))
goto nla_put_failure;
return 0;
nla_put_failure:

9
net/netfilter/nf_conntrack_proto_udplite.c
View File

@ -185,10 +185,11 @@ udplite_timeout_obj_to_nlattr(struct sk_buff *skb, const void *data)
{
const unsigned int *timeouts = data;
NLA_PUT_BE32(skb, CTA_TIMEOUT_UDPLITE_UNREPLIED,
htonl(timeouts[UDPLITE_CT_UNREPLIED] / HZ));
NLA_PUT_BE32(skb, CTA_TIMEOUT_UDPLITE_REPLIED,
htonl(timeouts[UDPLITE_CT_REPLIED] / HZ));
if (nla_put_be32(skb, CTA_TIMEOUT_UDPLITE_UNREPLIED,
htonl(timeouts[UDPLITE_CT_UNREPLIED] / HZ)) ||
nla_put_be32(skb, CTA_TIMEOUT_UDPLITE_REPLIED,
htonl(timeouts[UDPLITE_CT_REPLIED] / HZ)))
goto nla_put_failure;
return 0;
nla_put_failure: