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| author | David S. Miller <davem@davemloft.net> | 2012-04-01 22:46:00 (GMT) |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-04-01 22:46:00 (GMT) |
| commit | 48f03bdad8b3b0f5a96db45d517149eccd7f4ca8 (patch) | |
| tree | 79ec65b40737ed425f48bab62569055bb971dff9 /net | |
| parent | 1db20a52950e329f308900f1c603bf05bb1bebc3 (diff) | |
| download | linux-48f03bdad8b3b0f5a96db45d517149eccd7f4ca8.tar.xz | |
nfnetlink_cttimeout: 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/nfnetlink_cttimeout.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/net/netfilter/nfnetlink_cttimeout.c b/net/netfilter/nfnetlink_cttimeout.c index 2b9e79f..3e65528 100644 --- a/net/netfilter/nfnetlink_cttimeout.c +++ b/net/netfilter/nfnetlink_cttimeout.c @@ -170,11 +170,12 @@ ctnl_timeout_fill_info(struct sk_buff *skb, u32 pid, u32 seq, u32 type, nfmsg->version = NFNETLINK_V0; nfmsg->res_id = 0; - NLA_PUT_STRING(skb, CTA_TIMEOUT_NAME, timeout->name); - NLA_PUT_BE16(skb, CTA_TIMEOUT_L3PROTO, htons(timeout->l3num)); - NLA_PUT_U8(skb, CTA_TIMEOUT_L4PROTO, timeout->l4proto->l4proto); - NLA_PUT_BE32(skb, CTA_TIMEOUT_USE, - htonl(atomic_read(&timeout->refcnt))); + if (nla_put_string(skb, CTA_TIMEOUT_NAME, timeout->name) || + nla_put_be16(skb, CTA_TIMEOUT_L3PROTO, htons(timeout->l3num)) || + nla_put_u8(skb, CTA_TIMEOUT_L4PROTO, timeout->l4proto->l4proto) || + nla_put_be32(skb, CTA_TIMEOUT_USE, + htonl(atomic_read(&timeout->refcnt)))) + goto nla_put_failure; if (likely(l4proto->ctnl_timeout.obj_to_nlattr)) { struct nlattr *nest_parms; |