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| author | David S. Miller <davem@davemloft.net> | 2012-04-01 20:15:14 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-04-02 04:33:42 -0400 |
| commit | b21dddb9dfe50ca1e205faf4b25900895494d25b (patch) | |
| tree | 3221c2d2673967936e281b1b512ebae2646e4fe2 | |
| parent | 24c410dce335dba6ad9f1abab833fa4cd32f7f7f (diff) | |
| download | op-kernel-dev-b21dddb9dfe50ca1e205faf4b25900895494d25b.zip op-kernel-dev-b21dddb9dfe50ca1e205faf4b25900895494d25b.tar.gz | |
decnet: 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>
| -rw-r--r-- | net/decnet/dn_dev.c | 14 | ||||
| -rw-r--r-- | net/decnet/dn_rules.c | 10 |
2 files changed, 12 insertions, 12 deletions
diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c index 74d321a..16efcda 100644 --- a/net/decnet/dn_dev.c +++ b/net/decnet/dn_dev.c @@ -695,13 +695,13 @@ static int dn_nl_fill_ifaddr(struct sk_buff *skb, struct dn_ifaddr *ifa, ifm->ifa_scope = ifa->ifa_scope; ifm->ifa_index = ifa->ifa_dev->dev->ifindex; - if (ifa->ifa_address) - NLA_PUT_LE16(skb, IFA_ADDRESS, ifa->ifa_address); - if (ifa->ifa_local) - NLA_PUT_LE16(skb, IFA_LOCAL, ifa->ifa_local); - if (ifa->ifa_label[0]) - NLA_PUT_STRING(skb, IFA_LABEL, ifa->ifa_label); - + if ((ifa->ifa_address && + nla_put_le16(skb, IFA_ADDRESS, ifa->ifa_address)) || + (ifa->ifa_local && + nla_put_le16(skb, IFA_LOCAL, ifa->ifa_local)) || + (ifa->ifa_label[0] && + nla_put_string(skb, IFA_LABEL, ifa->ifa_label))) + goto nla_put_failure; return nlmsg_end(skb, nlh); nla_put_failure: diff --git a/net/decnet/dn_rules.c b/net/decnet/dn_rules.c index f65c9dd..7399e3d 100644 --- a/net/decnet/dn_rules.c +++ b/net/decnet/dn_rules.c @@ -204,11 +204,11 @@ static int dn_fib_rule_fill(struct fib_rule *rule, struct sk_buff *skb, frh->src_len = r->src_len; frh->tos = 0; - if (r->dst_len) - NLA_PUT_LE16(skb, FRA_DST, r->dst); - if (r->src_len) - NLA_PUT_LE16(skb, FRA_SRC, r->src); - + if ((r->dst_len && + nla_put_le16(skb, FRA_DST, r->dst)) || + (r->src_len && + nla_put_le16(skb, FRA_SRC, r->src))) + goto nla_put_failure; return 0; nla_put_failure: |
