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authorDavid S. Miller <davem@davemloft.net>2012-04-01 20:15:14 -0400
committerDavid S. Miller <davem@davemloft.net>2012-04-02 04:33:42 -0400
commitb21dddb9dfe50ca1e205faf4b25900895494d25b (patch)
tree3221c2d2673967936e281b1b512ebae2646e4fe2 /net
parent24c410dce335dba6ad9f1abab833fa4cd32f7f7f (diff)
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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>
Diffstat (limited to 'net')
-rw-r--r--net/decnet/dn_dev.c14
-rw-r--r--net/decnet/dn_rules.c10
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: