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authorDavid S. Miller <davem@davemloft.net>2012-04-02 04:27:33 +0400
committerDavid S. Miller <davem@davemloft.net>2012-04-02 12:33:43 +0400
commitc78679e8f31b86c7a46e77a3096011f911854187 (patch)
tree511b7a8e07c89a6ca7936c1ed3cb26300d8fe6a5 /net/ipv6/fib6_rules.c
parent86ebb02dc793058ea17ad647c802b507dafff7cb (diff)
downloadlinux-c78679e8f31b86c7a46e77a3096011f911854187.tar.xz
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.c15
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: