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authorDavid S. Miller <davem@davemloft.net>2012-04-02 04:39:02 +0400
committerDavid S. Miller <davem@davemloft.net>2012-04-02 12:33:43 +0400
commitf3756b79e8f76cb92830383c215deba146fe0a26 (patch)
tree107c0e99681a0b26b2e750b3fc7a0b01ba1404aa /net/ipv4/devinet.c
parente549a6b3a5acff66f0427091e44f814943a26a86 (diff)
downloadlinux-f3756b79e8f76cb92830383c215deba146fe0a26.tar.xz
ipv4: 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/ipv4/devinet.c')
-rw-r--r--net/ipv4/devinet.c20
1 files changed, 9 insertions, 11 deletions
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index d4fad5c77447..3ffaad0ef98f 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1267,17 +1267,15 @@ static int inet_fill_ifaddr(struct sk_buff *skb, struct in_ifaddr *ifa,
ifm->ifa_scope = ifa->ifa_scope;
ifm->ifa_index = ifa->ifa_dev->dev->ifindex;
- if (ifa->ifa_address)
- NLA_PUT_BE32(skb, IFA_ADDRESS, ifa->ifa_address);
-
- if (ifa->ifa_local)
- NLA_PUT_BE32(skb, IFA_LOCAL, ifa->ifa_local);
-
- if (ifa->ifa_broadcast)
- NLA_PUT_BE32(skb, IFA_BROADCAST, ifa->ifa_broadcast);
-
- if (ifa->ifa_label[0])
- NLA_PUT_STRING(skb, IFA_LABEL, ifa->ifa_label);
+ if ((ifa->ifa_address &&
+ nla_put_be32(skb, IFA_ADDRESS, ifa->ifa_address)) ||
+ (ifa->ifa_local &&
+ nla_put_be32(skb, IFA_LOCAL, ifa->ifa_local)) ||
+ (ifa->ifa_broadcast &&
+ nla_put_be32(skb, IFA_BROADCAST, ifa->ifa_broadcast)) ||
+ (ifa->ifa_label[0] &&
+ nla_put_string(skb, IFA_LABEL, ifa->ifa_label)))
+ goto nla_put_failure;
return nlmsg_end(skb, nlh);