diff options
| author | David S. Miller <davem@davemloft.net> | 2012-04-01 20:27:33 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-04-02 04:33:43 -0400 |
| commit | c78679e8f31b86c7a46e77a3096011f911854187 (patch) | |
| tree | 511b7a8e07c89a6ca7936c1ed3cb26300d8fe6a5 /net/ipv6/fib6_rules.c | |
| parent | 86ebb02dc793058ea17ad647c802b507dafff7cb (diff) | |
| download | lwn-c78679e8f31b86c7a46e77a3096011f911854187.tar.gz lwn-c78679e8f31b86c7a46e77a3096011f911854187.zip | |
ipv6: 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/ipv6/fib6_rules.c')
| -rw-r--r-- | net/ipv6/fib6_rules.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/net/ipv6/fib6_rules.c b/net/ipv6/fib6_rules.c index b6c573152067..01a2de1f5e87 100644 --- a/net/ipv6/fib6_rules.c +++ b/net/ipv6/fib6_rules.c @@ -215,14 +215,13 @@ static int fib6_rule_fill(struct fib_rule *rule, struct sk_buff *skb, frh->src_len = rule6->src.plen; frh->tos = rule6->tclass; - if (rule6->dst.plen) - NLA_PUT(skb, FRA_DST, sizeof(struct in6_addr), - &rule6->dst.addr); - - if (rule6->src.plen) - NLA_PUT(skb, FRA_SRC, sizeof(struct in6_addr), - &rule6->src.addr); - + if ((rule6->dst.plen && + nla_put(skb, FRA_DST, sizeof(struct in6_addr), + &rule6->dst.addr)) || + (rule6->src.plen && + nla_put(skb, FRA_SRC, sizeof(struct in6_addr), + &rule6->src.addr))) + goto nla_put_failure; return 0; nla_put_failure: |