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| author | David S. Miller <davem@davemloft.net> | 2012-04-02 04:39:02 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-04-02 12:33:43 +0400 |
| commit | f3756b79e8f76cb92830383c215deba146fe0a26 (patch) | |
| tree | 107c0e99681a0b26b2e750b3fc7a0b01ba1404aa /net/ipv4/fib_rules.c | |
| parent | e549a6b3a5acff66f0427091e44f814943a26a86 (diff) | |
| download | linux-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/fib_rules.c')
| -rw-r--r-- | net/ipv4/fib_rules.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/net/ipv4/fib_rules.c b/net/ipv4/fib_rules.c index 799fc790b3cf..2d043f71ef70 100644 --- a/net/ipv4/fib_rules.c +++ b/net/ipv4/fib_rules.c @@ -221,15 +221,15 @@ static int fib4_rule_fill(struct fib_rule *rule, struct sk_buff *skb, frh->src_len = rule4->src_len; frh->tos = rule4->tos; - if (rule4->dst_len) - NLA_PUT_BE32(skb, FRA_DST, rule4->dst); - - if (rule4->src_len) - NLA_PUT_BE32(skb, FRA_SRC, rule4->src); - + if ((rule4->dst_len && + nla_put_be32(skb, FRA_DST, rule4->dst)) || + (rule4->src_len && + nla_put_be32(skb, FRA_SRC, rule4->src))) + goto nla_put_failure; #ifdef CONFIG_IP_ROUTE_CLASSID - if (rule4->tclassid) - NLA_PUT_U32(skb, FRA_FLOW, rule4->tclassid); + if (rule4->tclassid && + nla_put_u32(skb, FRA_FLOW, rule4->tclassid)) + goto nla_put_failure; #endif return 0; |